GitHub - jotavare/42-resources: My curated 42 school resource collection. The good, the bad and the ugly.

Information and Facts • Piscine and Common Core • Common Core Projects • Cybersecurity • Wikimedia Foundation • Campuses • Miscellaneous

WELCOME

Here, you’ll find a set of resources that proved helpful during my time at 42 School, along with some interesting finds that, while not as useful for 42 specifically, are still worth exploring. Happy coding!

This project is licensed under the MIT License. See the LICENSE file for details.

Note

If you find any issues or have suggestions for improvements, feel free to open an issue, submit a pull request or contact me. Thank you to everyone who contributed!

Trivia • Rewards • Network • Social • Scroll To Top

Trivia

Facts about 42 schools and the number 42.

Website	Description	Source
42 School	What is 42 School?	`Wikipedia`
The Hitchhikers Guide to the Galaxy	What is The Hitchhikers Guide to the Galaxy?	`Wikipedia`
Why the number 42?	Why is 42 the answer to life, the universe, and everything?	`Wikipedia`
42 and Douglas Adams	What is the connection between 42 and Douglas Adams?	`Youtube`
Epic Gandalf Sax - 42 School Paris	One of the most epic moments in 42 Paris.	`Youtube`

Rewards

Rewards that you have access to as a 42 student.

Website	Description	Source
GitHub Student Pack	Portal to activate the GitHub Student Pack with 42 email.	`Website`
GitHub Student Pack Rewards	List of all the rewards and tools available.	`Website`

Network

Main websites of 42 Network.

Website	Description	Source
42 Intra	Official portal for everything related to 42.	`Intra`
Clusters	Check who is online in the 42 school cluster.	`Intra`
F.A.Q	Frequently asked questions about the school.	`Intra`
42 API	Documentation to build an application with 42 API.	`Intra`
Slack	Official slack channel for 42 students.	`Slack`
Stack Overflow	Official 42 forum.	`Website`

Social

For a specific 42 school social media, check the section Campuses and choose a school.

Website	Description	Source
42 Network	Official website of 42 Network.	`Website`
Instagram	42 Network's Instagram profile.	`Instagram`
Youtube	42 Network's YouTube channel.	`Youtube`
Twitter	42 Network's Twitter handle.	`Twitter`
Facebook	42 Network's Facebook page.	`Facebook`
LinkedIn	42 Network's Linkedin profile.	`LinkedIn`
GitHub	42 Network's GitHub page.	`GitHub`
Official Discord	Official Discord server of 42 Network.	`Discord`
Unofficial Discord	Unofficial Discord server related to 42 Network.	`Discord`

Exams • Peer-To-Peer • Websites • Guides • Extensions • Grammar • Broswer • Apps • Readme • Productivity • Others • Scroll To Top

Exams

Websites that I found useful for studying 42 exams. Some are outdated but still useful.

Website	Description	Source
GradeMe	Simulate piscine and common core exams.	`Website`
Piscine and Common Core Exams	Questions and solutions.	`GitHub`
Piscine Exams (outdated)	Questions and solutions.	`Website`
Piscine Final Exam Exercices (outdated)	Final exam exercices resolution.	`GitHub`
Common Core Exams (outdated)	Questions and solutions with mains.	`Website`

Peer-To-Peer

Information about peer-to-peer evaluation, and beginner videos about Shell and Git.

Website	Description	Source
P2P, Shell and Git Basics	YouTube playlist covering P2P, Shell, and Git basics.	`Youtube`
P2P - Evaluation - 01	What to do before the evaluation? (as evaluated student)	`Youtube`
P2P - Evaluation - 02	What to do before the evaluation? (as evaluator)	`Youtube`
P2P - Evaluation - 03	What to do during the evaluation?	`Youtube`
P2P - Evaluation - 04	What to do after the evaluation? (as evaluated student)	`Youtube`
The Art of Peer-Evaluation	Peer-to-Peer evaluation state of mind and rules you should know.	`42` `PDF`

Websites

Websites that I found useful in my 42 journey.

Website	Description	Source
42 Evaluators (Ceased Development)	Calculator, Leaderboard, PeerFinder, Blackhole, Stats, ...	`Website`
42 XP Calculator	Calculate how much exp you need for the next level.	`Website`
Find Peers	Find peers working on the same project.	`Website`
S42	Clusters from various 42 schools.	`Website`

Guides

Guides and walkthroughs to navigate 42 Piscine and Common Core.

Website	Description	Source
42 Cheat Sheet	An awesome cheatsheet for C and 42 in general.	`GitHub`
Developer Roadmaps	Roadmaps, guides, and other educational content.	`Website`
tldr-pages	Community-maintained help pages offering simplified explanations.	`GitHub`
rsapkf	5000+ links that `rsapkf` used in the past to learn programming.	`Website`

Extensions

VS Code extensions to enhance your development experience.

Website	Description	Source
42 C-Format	Automaticly formats .c files with norm v3.	`Website`
42 ft count line	Displays how many lines each function as.	`Website`
42 Header	42 header integration in VS Code.	`Website`
42 Norminette	This extension is a norminette decorator for 42 in VS Code.	`Website`
Norminette 42	This extension is a norminette decorator for 42 in VS Code.	`Website`
Norminette Highlighter v3.x	This extension is a norminette decorator for 42 in VS Code.	`Website`

Grammar

Tools to have correct communication and documentation.

Website	Description	Source
Grammarly	Writing assistant for grammar and punctuation.	`Website`
LanguageTool	Grammar and style checker for multiple languages.	`Website`
QuillBot	Tool for paraphrasing and improving writing.	`Website`
Urban Dictionary	Slang dictionary with user-contributed definitions.	`Website`
Wiktionary	Online dictionary and language reference.	`Website`

Browser

I recommend installing Improved Intra 42, an all-in-one extension for Chrome and Firefox.

Website	Description	Source
42Project Compass	Browser extension for Chrome to help navigate projects with clarity and confidence.	`GitHub`
Improved Intra 42	Browser extension for Chrome and Firefox to enhance the Intra 42 experience.	`GitHub`
Better Black Hole	Extension available for Chrome and Firefox. Improves Black Hole functionality.	`GitHub`

Apps

Available apps for Android and iOS.

Website	Plataform
Intra 42 Mobile App	`Android`
Intra 42 Mobile App	`iOS`

Readme

Insights on crafting effective README files and integrating badges for your projects.

Website	Description	Source
README.md Generator	Create your GitHub README.md easily and quickly.	`Website`
Badge 42	Dynamically generated 42 badges for your git readmes.	`GitHub`
42 Project Badges	Badges designed for 42 curriculum projects.	`GitHub`
1337 Readme	Share your progress via GitHub README.md.	`GitHub`
42 Unlicense	Flavoured version, based on the Unlicense public license.	`GitHub`
GitHub Social Preview	Auto-generate a social preview image for your repository.	`Website`

Productivity

Software designed to simplify tasks, and streamline workflow.

Website	Description	Source
Obsidian	Private and flexible writing app that adapts to your thoughts.	`Website`
Notion	Freemium productivity and a note-taking web application developed by Notion Labs Inc.	`Website`
Trello	Ultimate project management tool.	`Website`
Scribe	Turn any process into a step-by-step guide, instantly.	`Website`
Evernote	Note-taking and task management application.	`Website`
Motion	Automatically prioritize tasks, schedule meetings, and resolve calendar conflicts.	`Website`
Lucidchart	Web-based diagramming application.	`Website`

Others

Resources of no particular order but that you should know.

Website	Description	Source
Oh My Zsh!	Open source, community-driven framework.	`GitHub`
Oh My Zsh! Plugins	List of plugins for Oh My Zsh!	`GitHub`
PowerLevel10k	A customizable zsh theme focusing on speed, flexibility, and user experience.	`GitHub`
tmux	Terminal multiplexer, lets you switch between several programs in one terminal.	`GitHub`
catppuccin	Community-driven pastel theme.	`GitHub`
Neofetch Themes	Compilation of Neofetch configurations gathered in one location.	`GitHub`
OnlineGDB	Debugging online tool. (learn how to use `gdb` or `lldb`)	`Website`
Python Tutor	Online compiler and debugger for `Python`, `JavaScript`, `C`, `C++`, and `Java`.	`Website`
Thonny	Thonny is an IDE for Python designed for beginners.	`Website`
Sublime Text	Sophisticated text editor for code, markup, and prose.	`Website`
Replit	IDE, compiler, and interpreter, in +50 languages.	`Website`
RP42	Discord addon integration for 42 School.	`GitHub`
Installette	Script to install Norminette, Norminette Formatter, Vim, and 42 Header.	`GitHub`
42 Toolbox	A bunch of scripts to improve your life at 42.	`GitHub`
CS50	Course on thinking algorithmically and solving problems efficiently.	`Website`
Reeborg's World	Website designed to help people learn to program through gaming puzzles.	`Website`
Parrot Live	Allow any computer with curl to display an animated party parrot.	`GitHub`
Let Me Google That For You...	Politely ask someone to Google but don't be afraid to ask for help!	`Website`
Fake Update	Fake update screens! `F11 - Fullscreen` `ESC - Exit` `ENTER - BSOD`	`Website`
Don't Write Comments	Why you shouldn't write comments in your code (write documentation).	`Youtube`
No Hello	Please, don't say just hello in chat.	`Website`
Nerd Fonts	Iconic font aggregator, collection, and patcher.	`Website`
Everything I wish I knew when learning C	Tips and tricks for learning C.	`Website`
C Static libraries	All you need to know about C static libraries.	`Website`

Subjects • All-In-One Testers • Libft • Born2beroot • Ft_printf • Get_next_line • Minitalk • Pipex • Minilibx • So_long • Fract-ol • Fdf • Push_swap • Philosophers • Minishell • Netpractice • Cub3d • MiniRT • CPP Module (00-09) • Webserv • Ft_irc • Inception • Ft_transcendence • Scroll To Top

Note

The subjects at 42 undergo regular updates, so the information provided below might not be current. Additionally, as some projects are optional, resources might not be available if I haven't completed them.

Subjects

Repositories with all 42 subjects and additional files in one place, some are outdated but still useful.

Resource	Source	User
42 Subjects	`GitHub`	`rphlr`
42 Holygraph (outdated)	`GitHub`	`akaylee`
42 Subjects and Corrections (outdated)	`GitHub`	`Binary-Hackers`
42 Subjects (outdated)	`GitHub`	`agavrel`

All-In-One Testers

Test your code with already-made all-in-one testers.

Resource	Source	User
francinette	`GitHub`	`xicodomingues`
42-Cursus-Tester	`GitHub`	`Abaker-Hype`
42-Tests	`GitHub`	`Kwevan`

Libft

Resource	Source
Libft - C Standard Library Rewrite	`Website`
Easy Makefile	`Website`
Master Memory Management	`Medium`
Make-A-Make: Clear the fog around Makefiles	`GitHub`

Project	Source	User
42's libft with comments	`GitHub`	`pbie42`

Tester	Source	User
francinette	`GitHub`	`xicodomingues`
libftTester	`GitHub`	`Tripouille`
libft_file_checker	`GitHub`	`Nuno-Jesus`
libft-unit-test	`GitHub`	`alelievr`
Libftest	`GitHub`	`jtoty`
libft-war-machine	`GitHub`	`0x050f`

Born2beroot

Video Resource	Source	User
Linux Directories Explained in 100 Seconds	`Youtube`	`Fireship`

Guide	Source	User
Born2beroot	`GitHub`	`lbordonal`
Born2beroot Guide	`GitHub`	`pasqualerossi`
Born2beroot Tutorial	`GitHub`	`gemartin99`
Born2beroot Walkthrough	`GitHub`	`HEADLIGHTER`

Tester	Source	User
Born2BeRootTester	`GitHub`	`Pixailz`
Born2beroot-Tester	`GitHub`	`gemartin99`

Ft_printf

Resource	Source
C Tutorial – printf	`Website`
printf Reference	`Website`
IEEE-754 Floating Point Converter	`Website`
Printing Floating-Point Numbers	`Website`
printf(3) — Linux manual page	`man7`
printf invocation (GNU Coreutils 9.4)	`GNU`
Formatted Output (The GNU C Library)	`GNU`
Table of Output Conversions (The GNU C Library)	`GNU`
Printing Floating-Point Numbers Quickly and Accurately with Integers	`PDF`

Project	Source	User
printf / sprintf Implementation for Embedded Systems	`GitHub`	`mpaland`

Tester	Source	User
Debugging with main.c	`GitHub`	`Kuninoto`
francinette	`GitHub`	`xicodomingues`
printfTester	`GitHub`	`Tripouille`
ft_printf_tester	`GitHub`	`paulo-santana`

Get_next_line

Resource	Source
get_next_line: My first complex program	`Website`
Master File I/O Operations	`Medium`
get_next_line - 42 Docs	`GitHub`

Video Resource	Source	User
Read A Specific Line From A File \| C Programming Example	`Youtube`	`Portfolio Courses`
get_next_line explained: develop a function that reads a file line by line	`Youtube`	`Oceano`
understanding get_next_line	`Youtube`	`nikito`

Tester	Source	User
francinette	`GitHub`	`xicodomingues`
gnlTester	`GitHub`	`Tripouille`
gnl-station-tester	`GitHub`	`kodpe`

Minitalk

Resource	Source
Bitwise Operators in C/C++	`Website`
How to use signal handlers in C language?	`Website`
include/linux/signal.h - Linux source code (v6.6.2)	`Website`
Beej's Guide to C Programming - 29 Signal Handling	`Website`
Beej's Guide to C Programming - Bit-Fields	`Website`
Beej's Guide to C Programming - What is Unicode?	`Website`
42-Bitwise_Operators	`GitHub`

Video Resource	Source	User
Sending and Handling Signals in C (kill, signal, sigaction)	`Youtube`	`Jacob Sorber`
Short Introduction to Signals in C	`Youtube`	`CodeVault`
Handling Signals	`Youtube`	`CodeVault`

Project	Source	User
Minitalk	`GitHub`	`mlanca-c`
minitalk	`GitHub`	`j4k0m`

Tester	Source	User
francinette	`GitHub`	`xicodomingues`
minitalk-Tester	`GitHub`	`ThibaudM13`
Lipsum generator: Lorem Ipsum	`Website`
Get Emoji	`Website`
EmojiDB	`Website`

Pipex

Resource	Source
Consequences of Process Termination	`Website`
Creating Pipes in C	`Website`
SIGTSTP signal not stopping child?	`Stack Overflow`
pipex tutorial — 42 project	`Medium`
wait(2) — Linux manual page	`man7`
execve(2) — Linux manual page	`man7`
Stanford Lecture 07: Signals	`PDF`

Video Resource	Source	User
Unix Processes in C	`Youtube`	`CodeVault`
Pipes Explained (Spanish)	`Youtube`	`WhileTrueThenDream`

Project	Source	User
pipex.c	`GitHub`	`malikfassi`

Tester	Source	User
pipexMedic	`GitHub`	`gmarcha`
pipex-tester	`GitHub`	`vfurmane`
PIPEX_TESTER	`GitHub`	`ael-bekk`
francinette	`GitHub`	`xicodomingues`

Minilibx

Note

The links in this section are the most useful for so_long, fract-ol, fdf, cub3d and minirt.

Resource	Source	User
What is it? \| MiniLibX	`GitHub`	`gontjarow`
MiniLibX - 42 Docs	`GitHub`	`harm-smits`
minilibx-linux	`GitHub`	`42Paris`
images_example	`GitHub`	`keuhdall`
ft_libgfx	`GitHub`	`qst0`
MiniLibX(3) \| ft_libgfx	`GitHub`	`qst0`
MLX42	`GitHub`	`codam-coding-college`
miniLibX sample	`GitHub`	`S-LucasSerrano`
raylib	`GitHub`	`raysan5`
miniaudio	`GitHub`	`mackron`
MiniLibX Tutorial	`Blog`	`pulgamecanica`
MLX Animations	`Blog`	`pulgamecanica`

So_long

Resource	Source
How to Make Pixel Art in GIMP	`Website`
itch.io	`Website`
OpenGameArt.org	`Website`
8-Bit Dungeon Tileset/Sprites	`Website`
42: A Comprehensive Guide to So Long	`Website`

Project	Source	User
so_long	`GitHub`	`madebypixel02`

Tester	Source	User
so_long_invalidator	`GitHub`	`Nuno-Jesus`
so_long_tester	`GitHub`	`augustobecker`

Tool	Source	User
so_long Map Creator	`GitHub`	`bennamrouche`

Fract-ol

Resource	Source
Fractal	`Wikipedia`
List of fractals by Hausdorff dimension	`Wikipedia`
Plotting algorithms for the Mandelbrot set	`Wikipedia`
Tricorn (mathematics)	`Wikipedia`
The Mandelbrot Set	`Website`
Julia and Mandelbrot Sets	`Website`
Recursion Trees	`Website`
Sierpinski Fractals	`Website`
Managing events with the minilibx	`Website`
Pixel drawing with the minilibx	`Website`
Getting started with the minilibx	`Website`
How to plot the Mandelbrot set	`Website`
Efficiently generating the Mandelbrot and Julia sets	`Website`
Fractal Pack 1 Educators’ Guide	`Website`
How to Plot the Mandelbrot Set By Hand	`Website`
Mandelbrot Interactive Online	`Website`
Julia Set Mathematics	`Website`
Mandelbrot & Julia Sets - Interactive visualization of fractals	`Website`
Tutorial 3 : Matrices	`Website`

Video Resource	Source
Brute Force Processing	`Youtube`
The dark side of the Mandelbrot set	`Youtube`
Beyond the Mandelbrot set, an intro to holomorphic dynamics	`Youtube`
Marble Marcher - A Fractal Physics Game	`Youtube`
Realtime 3D Fractal Renders	`Youtube`
Sounds of the Mandelbrot Set	`Youtube`
The Mandelbrot Set	`Youtube`
What's so special about the Mandelbrot Set?	`Youtube`
The Mandelbrot Set	`Youtube`
This equation will change how you see the world (the logistic map)	`Youtube`

Project	Source	User
fract-ol	`GitHub`	`mcombeau`
fract-ol	`GitHub`	`inesalves44`
fract-ol	`GitHub`	`Xyckens`
ft_fractol	`GitHub`	`librity`

Fdf

Resource	Source
Bresenham's Line Algorithm	`Website`
A* Search Algorithm	`Website`
Learning Modern 3D Graphics Programming	`Website`
A Probably Terrible Way to Render Gradients	`Website`
8.2 - Orthographic Projections — LearnWebGL	`Website`
Hexadecimal / Decimal Colors	`Website`
PNG to XPM Converter Online	`Website`
3D Rendering with Rotation and Projection	`Youtube`

Project	Source	User
FdF	`GitHub`	`VBrazhnik`
42Barcelona-FdF	`GitHub`	`ailopez-o`

Tester	Source	User
42MapGenerator	`GitHub`	`jgigault`
RANDOM.ORG Integer Sets	`Website`

Tool	Source	User
Png To FDF Map	`GitHub`	`bennamrouche`

Push_swap

Resource	Source
Sorting Algorithms	`Website`
QuickSort – Data Structure and Algorithm Tutorials	`Website`
QuickSort on Singly Linked List	`Website`
Move last element to front of a given Linked List	`Website`
Algorithm Wiki	`Website`
Sorting Algorithms Animations	`Website`
Leet Code - Sort List	`Website`
Recursion in Sorting	`Website`
HeapSort	`Website`
Memory Pools	`Website`
Linked lists	`Website`
Pushswap Epitech Project	`Website`
Recursion and sorting algorithms	`Website`
Computer Science	`Website`
push_swap Resources	`Website`
Push_Swap Tutorial	`Medium`
The least amount of moves with two stacks	`Medium`
A journey to find most efficient sorting algorithm	`Medium`
Pivoting To Understand Quicksort [Part 1]	`Medium`
Pivoting To Understand Quicksort [Part 2]	`Medium`
Sorting Out The Basics Behind Sorting Algorithms	`Medium`
Making Sense of Merge Sort [Part 1]	`Medium`

Video Resource	Source	User
Stacks \| Chapter-6 \| Data Structures	`Youtube`	`Neso Academy`
Push_Swap Project from 42 for Twilio Application	`Youtube`	`JOHN PARK`
Algorithms	`Youtube`	`Inside code`
Algorithms: Quicksort	`Youtube`	`HackerRank`
Heap sort in 4 minutes	`Youtube`	`Michael Sambol`

Project	Source	User
Push_Swap	`GitHub`	`anyaschukin`

Tester	Source	User
push_swap_visualizer	`GitHub`	`o-reo`
push_swap_visualiser	`GitHub`	`Niimphu`
Push-Swap-Tester	`GitHub`	`gemartin99`
push_swap_tester	`GitHub`	`laisarena`
push_swap_tester (benchmark)	`GitHub`	`SimonCROS`
push_swap_leak_tester	`GitHub`	`IDC87`
Push Swap Visualizer and Number Generator	`Website`	`vercel`
Number Generator	`Website`

Philosophers

Resource	Source
Dining Philosophers Problem	`Wikipedia`
Deadlock	`Wikipedia`
Race condition	`Wikipedia`
The Dining Philosopher’s Problem	`Medium`

Video Resource	Source	User
Unix Threads in C	`Youtube`	`CodeVault`
The Dining Philosophers Problem	`Youtube`	`Neso Academy`
Philosophers, 42 School Project	`Youtube`	`Jamshidbek Ergashev`

Tester	Source	User
philosophers-visualizer	`Website`	`nafuka11`
socrates	`GitHub`	`nesvoboda`
philosophers_test	`GitHub`	`cacharle`
Philosphers-42Project-Tester	`GitHub`	`newlinuxbot`

Minishell

Resource	Source
GNU Bash manual	`Website`
Explain Shell	`Website`
Tutorial - Write a Shell in C	`Website`
Shell Command Language	`Website`
How to Use "Here Documents" in Bash on Linux	`Website`
Writing a Unix Shell - Part I	`Website`
Writing a Unix Shell - Part II	`Website`
Writing a Unix Shell - Part III	`Website`
Tiny Shell - Case Study	`Website`
42Cursus-Minishell	`Medium`
Writing Your Own Shell	`PDF`

Video Resource	Source	User
Unix Processes in C	`Youtube`	`CodeVault`
Shell Program Explained	`Youtube`	`hhp3`

Project	Source	User
42_minishell	`GitHub`	`DimitriDaSilva`
mysh	`GitHub`	`Swoorup`

Tester	Source	User
42_minishell_tester	`GitHub`	`zstenger93`
minishell_tester	`GitHub`	`thallard`
mpanic	`GitHub`	`ChewyToast`

Netpractice

Resource	Source
Medium	`Medium`
ipcalc	`Website`
IP Subnet Calculator	`Website`

Video Resource	Source	User
Free CCNA \| Subnetting	`Youtube`	`NetworKing`
What is Subnetting?	`Youtube`	`Practical Networking`
Default Gateway Explained	`Youtube`	`PowerCert Animated Videos`
Subnet Mask - Explained	`Youtube`	`PowerCert Animated Videos`

Project	Source	User
NetPractice	`GitHub`	`ifanzilka`
netpractice	`GitHub`	`hexanyn`
NetPractice	`GitHub`	`lpaube`

Cub3d

Game	Source
Wolfenstein 3D	`Game`

Resource	Source
Lode's Computer Graphics Tutorial	`Website`
Computer Graphics from Scratch	`Website`
Ray-Casting Tutorial	`Website`
x.org Documentation	`Website`
libX11 Documentation	`Website`

Video Resource	Source	User
Online Computer Graphics II	`Youtube`	`raviramamoorthi`
Binary Space Partitioning	`Youtube`	`Mathematics...`
Super Fast Ray Casting in Tiled Worlds using DDA	`Youtube`	`javidx9`
Make Your Own Raycaster - Part 1	`Youtube`	`3DSage`
Make Your Own Raycaster - Part 2	`Youtube`	`3DSage`
Make Your Own Raycaster - Part 3	`Youtube`	`3DSage`
Introduction to the MinilibX	`Youtube`	`Oceano`

Tester	Source	User
cub3D_map_tester	`GitHub`	`humblEgo`
42_cub_tester	`GitHub`	`realisticDonut`

Minirt

Resource	Source
Bits to Bitmaps: A simple walkthrough of BMP Image Format	`Medium`
Ray Tracing And Global Illumination	`Website`
Ray Tracing in One Weekend — The Book Series	`Website`
Raytracing shapes	`Website`
miniRT Figma	`Website`
Unit 15: Rendering	`Website`
Writing a Raytracer in Rust - Part 1 - First Rays	`Website`
Ray Tracing In A Nutshell	`Website`
The BMP file format	`Website`
Accelerated Ray Tracing in One Weekend in CUDA	`Website`
Graphics Programming Projects	`Website`
Jamis Buck - The Ray Tracer Challenge	`PDF`
Ray Tracing Intro - Cornell Computer Science	`PDF`
Ray Tracing with the BSP Tree	`PDF`

Video Resource	Source	User
Essence of linear algebra	`Youtube`	`3Blue1Brown`
Ray Tracing Essentials, Part 1: Basics of Ray Tracing	`Youtube`	`NVIDIA Developer`

Project	Source	User
miniRT	`GitHub`	`martingarcialopez`
miniRT-for-Linux	`GitHub`	`eljommys`
raytracer	`GitHub`	`matboivin`
42_miniRT	`GitHub`	`Nuno-Jesus`

Tester	Source	User
minirt_mesh_converter	`GitHub`	`matboivin`

CPP Modules (00-09)

Note

The 42 intra videos have bad fame, but in C++ they are good, so I recommend watching them first before watching any guides.

Resource	Source
cppinsights	`Website`
godbolt	`Website`
learncpp	`Website`
cppreference	`Website`
cplusplus	`Website`
cprogramming	`Website`
cplusplus C++ Language (C++98)	`Website`
C++ Programming Language - Guide	`Website`
Pointers to members (C++ only)	`Website`
Introduction to Fixed Point Number Representation	`Website`
Using the GNU Compiler Collection (GCC)	`Website`
Subscripting [] Operator Overloading in C++	`Website`
An Introduction to "Iterator Traits"	`Website`
cppinsights	`Website`
godbolt	`Website`
learncpp	`Website`
cppreference	`Website`
C++ Core Guidelines	`GitHub`
C++ Primer (5th Edition)	`PDF`

Video Resource	Source	User
(Life) Advice From The Creator of C++	`Youtube`	`Honeypot`
31 nooby C++ habits you need to ditch	`Youtube`	`mCoding`
The C++ Conference	`Youtube`	`CppCon`
Welcome to C++ (101 videos)	`Youtube`	`The Cherno`
C++ Weekly With Jason Turner	`Youtube`	`lefticus1`
TLDR - CPP00 [42]	`Youtube`	`Lucas Kuhn`
Fixed Point Arithmetic 1: Intro to Fixed Point	`Youtube`	`Creel`
Fixed Point Arithmetic 2: Multiplication and Division	`Youtube`	`Creel`
Overloading C++ Stream Insertion, Extraction Operators	`Youtube`	`LearningLad`
Advanced C++: All Castings Considered - Part I	`Youtube`	`Bo Qian`
C++ Tutorial for Beginners 45 - C++ Map	`Youtube`	`ProgrammingKnowledge`

Webserv

Resource	Source
HTTP Made Really Easy	`Website`
CGI Made Really Easy	`Website`
Beej's Guide to Network Programming	`Website`
RFC Index	`Website`
The Hypertext Transfer Protocol	`Website`
RFC 7231 (HTTP/1.1 messages)	`Website`
RFC 7230 - Hypertext Transfer Protocol (HTTP/1.1)	`Website`
Exploring the HTTP request syntax	`Website`
Redirections in HTTP - MDN Web Docs - Mozilla	`Website`
The WWW Common Gateway Interface Version 1.1	`Website`
Getting Started with CGI Programs	`Website`
Nginx Server and Location Block Selection Algorithms	`Website`
What is client_max_body_size in Nginx	`Website`
Creating NGINX Plus and NGINX Configuration Files	`Website`
Editing web server configuration files	`Website`
NGINX Beginner’s Guide	`Website`
Nginx Configuration File Structure and Contexts	`Website`
Dealing With and Getting Around Blocking Sockets	`Website`
C++ File Handling: How to Open, Write, Read, Close Files in C++	`Website`
select(), FD_SET(), FD_CLR(), FD_ISSET(), FD_ZERO()	`Website`
Blocking and Non-Blocking I/0 Tutorial	`Website`
I/O Multiplexing (select vs. poll vs. epoll/kqueue)	`Website`
CSC309F Lectures	`Website`
Webserver in a nutshell	`Website`
How can I get a file's size in C++?	`Stack Overflow`
What are the usage differences between size_t and off_t?	`Stack Overflow`
Build a simple HTTP server from scratch	`Medium`
Building an HTTP Server From Scratch in C++	`Medium`

Video Resource	Source
C++ Web Server from Scratch \| Part 1: Creating a Socket Object	`Youtube`
Web Server Concepts and Examples	`Youtube`
Hyper Text Transfer Protocol Crash Course - HTTP 1.0, 1.1, HTTP/2, HTTP/3	`Youtube`
When to use HTTP GET vs POST?	`Youtube`
How one thread listens to many sockets with select in C.	`Youtube`
What Is A Web Server?	`Youtube`
Web Server and Application Server \| Explained	`Youtube`

Ft_irc

Resource	Source
Internet Relay Chat	`PDF`
What is a Socket?	`Website`
Unix Socket - Network Addresses	`Website`
Unix Socket - Core Functions	`Website`
Beej’s Guide to Network Programming	`Website`
Modern IRC Client Protocol	`Website`
rawlog	`Website`
RFC1459 - Internet Relay Chat Protocol	`Website`
RFC2810 - Internet Relay Chat: Architecture	`Website`
RFC2811 - Internet Relay Chat: Channel Management	`Website`
RFC2812 - Internet Relay Chat: Client Protocol	`Website`
RFC2813 - Internet Relay Chat: Server Protocol	`Website`

Tester	Source	User
irc-tester	`GitHub`	`bennamrouche`

Inception

Resource	Source
Docker (software)	`Wikipedia`
Docker Docs	`Website`
Dockerfile reference	`Website`
What are containers?	`Website`
Docker - Concept of Dockerfile	`Website`
Using Makefiles to build and publish (docker) containers	`Website`
How to Install Nginx on Debian 10	`Website`
Complete Guide to NGINX Configuration	`Website`
Cryptography and SSL/TLS Toolkit	`Website`
Explained: What Is a SHA256 SSL Certificate?	`Website`
How to Install WordPress on Docker (Windows, macOS, and Linux)	`Website`
Docker + WordPress Setup	`Website`
Deploying WordPress in Docker containers	`Website`
How to install WordPress with Docker	`Website`
Download and Install WordPress Via the Shell Over SSH and With WP-CLI	`Website`
How to Deploy an NGINX Image with Docker	`Website`
Streamlining Infrastructure Deployment with Docker	`Medium`
WordPress Deployment with NGINX, PHP-FPM and MariaDB using Docker Compose	`Medium`
Simplifying docker-compose operations using Makefile	`Medium`
What is the difference between "expose" and "publish" in Docker?	`Stack Overflow`
How to generate a self-signed SSL certificate using OpenSSL?	`Stack Overflow`

Video Resource	Source
100+ Docker Concepts you Need to Know	`Youtube`
You Need to Learn Docker RIGHT NOW!! // Docker Containers 101	`Youtube`
Docker Compose will BLOW your MIND!! (a tutorial)	`Youtube`
Learn Docker in 1 Hour \| Full Docker Course for Beginners	`Youtube`
Learn Docker in 12 Minutes	`Youtube`
Docker Compose in 12 Minutes	`Youtube`
Docker Crash Course #1 - What is Docker?	`Youtube`

Guide	Source	User
codesshaman	`GitHub`	`codesshaman`
vbachele	`GitHub`	`vbachele`
llescure	`GitHub`	`llescure`
rbiodies	`GitHub`	`rbiodies`
Forstman1	`GitHub`	`Forstman1`
Theo2lt	`GitHub`	`Theo2lt`
SavchenkoDV	`GitHub`	`SavchenkoDV`
iimyzf	`GitHub`	`iimyzf`
42-inception	`GitHub`	`waltergcc`

Ft_transcendence

Resource	Source
Introduction to Vue.js	`Website`
Props Versus Data in Vue	`Website`
How to get left, top position of element in Vue.js?	`Website`
Integrating Vue.js and Socket.io	`Website`
Building a multiplayer game using WebSockets	`Website`
Socket.IO - Get started	`Website`
Build lobby-based online multiplayer browser games with React and NodeJS	`Website`
js-pong	`GitHub`

Video Resource	Source	User
Beginner JavaScript Game Dev Project	`Youtube`	`Web Dev Simplified`
Easiest way to build real-time web apps? WebSockets with NestJS	`Youtube`	`Marius Espejo`
NestJS Authentication: JWTs, Sessions, logins, and more!	`Youtube`	`Marius Espejo`
Vue JS Crash Course	`Youtube`	`Traversy Media`
Build a Realtime Chat App with VueJS	`Youtube`	`Scalable Scripts`

Crack the Code • Pentesting Tools • Digital Footprint • VPN • Bootable USB • Data Forensics • Package Manager • Operating System and Tools • Explois and Vulnerabulities • Guides and Resources • Podcasts, News and Videos • Hacking Google • Scroll To Top

Crack the Code

Challenges and learning platforms about cyber security and ethical hacking.

Website	Description	Source
CTF 101	Introduction to CTFs (Capture The Flag).	`Website`
42 CTF	Cybersecurity challenges platform with various challenges from 42.	`Website`
picoCTF	Challenges beginners and experts to solve real-life cybersecurity problems.	`Website`
Root Me	Platform for testing and improving computer security and hacking knowledge.	`Website`
Sololearn	Courses designed by experts with real-world practice.	`Website`
LeetCode	Auto-tests. Fast lane to practice coding for interviews.	`Website`
GeeksforGeeks	Explanatory articles for algorithms and techniques.	`Website`
HackerRank	Programming problems, math, AI, etc. Good website for problem-solving skills.	`Website`
Codeforces	Programming contests platform with archives and auto-tests.	`Website`
Topcoder	Platform for programming contests professionals.	`Website`
Rosetta Code	Implementation guide for X in language Y.	`Website`
CodinGame	Automated platform for writing game bots, improving coding, and math skills.	`Website`
Codewars	Platform for solving programming puzzles known as “katas”.	`Website`
Hacker101	Free class for web security.	`Website`
HackerOne	Web security classes.	`Website`
TryHackMe	Learn cyber security through hands-on exercises and labs.	`Website`
Hack The Box	Cybersecurity training platform to level up hacking skills.	`Website`
Hack This Site	Training ground for ethical hacking with challenges, CTFs, and more.	`Website`
Cyberseek	Explore career paths, skills, and certifications in cyber security.	`Website`
Advent of Code	Christmas-themed programming challenges following an Advent calendar.	`Website`

Pentesting Tools

Collection of tools used to perform penetration testing or ethical hacking.

Website	Description	Source
Cybersecurity Stash	Curated list of cybersecurity tools.	`Website`
Wireshark	Free and open-source packet analyzer.	`Website`
Responder	Penetration testing tool for various network protocol poisoning.	`Website`
Hashcat	Powerful tool for cracking password hashes.	`Website`
Metasploit	Security project providing vulnerability data and aiding penetration tests.	`Website`
Shodan	Search engine for Internet-connected devices.	`Website`
ExifTool	Reads and writes meta information in a wide variety of files.	`GitHub`
Remote Admin Tool	Allows full control of a tech device remotely.	`GitHub`
DNScat2	Creates an encrypted command-and-control channel over DNS.	`GitHub`
Social Engineer Toolkit	Framework designed for social engineering in penetration testing.	`GitHub`
VirusTotal	Scans files, URLs, domains, and IPs for threats.	`Website`
CyberChef	Web app for encryption, encoding, compression, and data analysis.	`GitHub`
dCode	800+ tools for games, riddles, cyphers, math, and puzzles.	`Website`
Firefox DevTools Docs	Set of web developer tools built into Firefox.	`Website`
Burp Suite	Integrated platform for security testing of web applications.	`Website`
WiFi Map	Locates nearby hotspots, displays passwords and enables connection.	`Website`
Steganography Toolkit	Docker image useful for solving Steganography challenges.	`GitHub`
Medicat USB	Toolkit to compile the latest computer diagnostic and recovery tools.	`GitHub`
Wazuh	Open source platform used for threat prevention, detection, and response.	`GitHub`
OpenVAS	Open source full-featured vulnerability scanner.	`Website`

Digital Footprint

Search the imprint left by your online activities.

Website	Description	Source
Firefox Monitor	Checks if your data has been involved in an online breach.	`Website`
Have I Been Pwned	Scans multiple breaches for your compromised email or phone.	`Website`
DeHashed	Offers free deep-web scans and guards against credential leaks.	`Website`
LeakCheck	Engine to search for data breaches.	`Website`
Intelligence X	Searches across Tor, I2P, data leaks, and the web using diverse parameters.	`Website`
Password Strenght	Checks password strength.	`Website`
OSINT Framework	Gathers information from various free tools/resources.	`Website`
sherlock	Locates social media accounts via usernames on multiple platforms.	`GitHub`
Password Game	Engaging yet challenging password game.	`Website`
StopNCII	Free tool designed to support victims of Non-Consensual Intimate Image (NCII) abuse.	`Website`
Mosint	Osint tool written in Go that allows you to investigate for target emails.	`GitHub`
NExfil	OSINT tool written in Python for finding profiles by username.	`GitHub`

VPN

Secure your internet connection with a Virtual Private Network.

Website	Description	Source
Proton	Offers end-to-end encrypted VPN, mail, drive, and calendar services.	`Website`
OpenVPN	Enables secure point-to-point, site-to-site connections, and remote access facilities.	`Website`
Tailscale	Offers a zero-config VPN for constructing secure networks.	`Website`

Bootable USB

Create portable storage to install or repair operating systems.

Website	Description	Source
Rufus	Open-source portable app for Windows, creating bootable USB flash drives or Live USBs.	`Website`
Ventoy	Open-source tool for creating bootable USB drives supporting various file types.	`Website`
Etcher	Cross-platform tool for safely flashing OS images onto SD cards and USB drives.	`Website`

Data Forensics

Information and tools for managing, recovering, or securely wiping data effectively.

Management	Description	Source
hdparm	Set and view ATA hard disk drive hardware parameters and test performance.	`Website`
sdparm	Similar to `hdparm` but can be used on any device that uses a SCSI command set.	`Website`
GParted	Create, delete, resize, move, check, and copy disk partitions and their file systems.	`Website`
DiskPart	Command-line disk partitioning utility, replacing its predecessor, fdisk.	`Website`

Recovery	Description	Source
Disk Drill	Data recovery utility for Windows and macOS developed by Cleverfiles.	`Website`
PhotoRec	Free and open-source utility software for data recovery with text-based user interface.	`Website`
TestDisk	Data recovery tool that recovers lost partitions or repairs corrupted filesystems.	`Website`
Recuva	Undeletion program for Windows, developed by Piriform Software.	`Website`
R-Studio	Data recovery and file undelete solution for Windows, Mac and Linux OS.	`Website`
ddrescue	Data recovery tool for disk drives, DVDs, CDs, and other digital storage media.	`Website`

Wiping	Description	Source
DBAN	Erase a hard disk until its data is permanently removed and unrecoverable.	`Website`
nwipe	Erase the entire contents of a single drive or multiple disks simultaneously.	`GitHub`
ShredOS	USB bootable (BIOS or UEFI) small Linux distribution based on nwipe.	`GitHub`
Eraser	Security tool for complete removal of sensitive data from hard drives.	`Website`
Erasing Methods	Provides 16 types of critical data erasing methods.	`Website`
Master Passwords	List of master passwords for various hard disk drives.	`Website`
FBI	Disposal of media policy and procedures.	`PDF`
CISA	Disposing of devices safely.	`PDF`
NIST	Guidelines for media sanitization.	`PDF`

Utility	Description	Source
Czkawka	Multi-functional app to find duplicates, empty folders, similar images, etc.	`GitHub`
BleachBit	Open-source disk space cleaner, privacy manager, and computer system optimizer.	`Website`
CCleaner	Clean potentially unwanted files and invalid Windows registry entries from a computer.	`Website`

Package Manager

Software tools that automate the process of installing, upgrading, configuring, and removing programs.

Website	Description	Source
Chocolatey	Windows tool that wraps installers, executables, zips, and scripts into compiled packages.	`Website`
Ninite	Package management system that automatically install popular applications	`Website`
FOSSHUB	Platform to download for free many popular and clean software titles.	`Website`
NirSoft	Unique collection of small and useful freeware utilities.	`Website`
NirLauncher	Package of more than 200 portable freeware utilities for Windows.	`Website`
PackagePicker	A quick way to install your favourite software on a new computer.	`Website`

Operating System and Tools

Operating systems for every occasion and tools to enhance them.

Website	Description	Source
Tails	Privacy-focused Linux distro connecting exclusively through Tor for anonymity.	`Website`
Kali	Linux distro for penetration testing, security research, forensics, and reverse engineering.	`Website`
Tiny11	Trimmed-down Windows 11 image available on GitHub.	`GitHub`
Win Debloat Tools	Scripts to debloat Windows 10 and 11.	`GitHub`
Puter	Advanced, open-source internet operating system.	`GitHub`

Exploits and Vulnerabilities

Information and resources on how to learn/use exploits and vulnerabilities.

Website	Description	Source
Bugtraq	Electronic mailing list dedicated to issues about computer security.	`Website`
Mimikatz	Windows exploit extracting passwords from memory.	`GitHub`
BloodHound	Identifies complex attack paths otherwise hard to spot.	`GitHub`
EternalBlue	NSA-developed exploit leaked by Shadow Brokers.	`Wikipedia`
MouseJack	Vulnerabilities in wireless, non-Bluetooth keyboards and mice.	`Website`
Follina	Exploits the MSDT tool in Microsoft Office.	`Youtube`

Guides and Resources

Guides and resources about important topics that may help with cyber security or ethical hacking.

Website	Description	Source
CVE	Reference for known information-security vulnerabilities and exposures.	`Website`
OWASP Top Ten	Developer's guide for web application security.	`Website`
Exploited Vulnerabilities	Catalog of exploited vulnerabilities in the wild.	`Website`
Privacy Network	Repository offering privacy guidelines and tools.	`Website`
EPSS	Predictive system for potential vulnerabilities.	`Website`
CVSS	System to assess and prioritize vulnerabilities.	`Website`
What is MD5?	Explanation of MD5, a widely-used cryptographic hash function.	`Website`
World of Reversing	Article introducing reversing concepts.	`Medium`
Exploring the Heap	Article exploring the computing concept of the heap.	`Medium`
Talkback	Smart infosec resource aggregator.	`Website`

Podcasts, News and Videos

Information intended to capture, preserve, and explain the culture around cyber security and ethical hacking.

Website	Description	Source
Jack Rhysider	Podcast sharing true stories from the internet's darker side.	`Youtube`
SecurityWeek	Premier hub for cybersecurity news, insights, and expert analysis.	`News`
The Hacker News	Trusted publication for breaking cybersecurity news and insights.	`News`
Heartbleed	Insightful review of the 2014 Heartbleed bug that shook the internet.	`Youtube`
How to Get Someone's Password	Many possible ways they may be able to get your password.	`Youtube`

Hacking Google

Five elite security teams. Six never-before-told stories.

Website	Source
EP000: Operation Aurora	`Youtube`
EP001: Threat Analysis Group	`Youtube`
EP002: Detection and Response	`Youtube`
EP003: Red Team	`Youtube`
EP004: Bug Hunters	`Youtube`
EP005: Project Zero	`Youtube`

Scroll To Top

Note

Wiki is a great place to start searching and a good foundation but it isn't a good source to cite for projects, it can be edited by laypeople. Always check the sources first, that's the important material.


Wikipedia	Online encyclopedia.
Wiktionary	Online dictionary and thesaurus.
Wikibooks	Collection of books, mostly textbooks.
Wikiquote	Collection of quotations.
Wikivoyage	Travel guide.
Wikisource	Digital library.
Wikimedia Commons	Repository of images, sounds, videos, and general media.
Wikispecies	Taxonomic catalog of species.
Wikinews	Online newspaper.
Wikiversity	Collection of tutorials, courses, and a hosting point for research coordination.
Wikidata	Knowledge base.
Meta-Wiki	Central site for coordinating all projects and the Wikimedia community.
Wikimedia Incubator	Single wiki for drafting core pages of new language editions in development.
MediaWiki	Site for coordinating work on MediaWiki software.
Wikitech	Wikimedia Cloud Services, Data Services, Toolforge, and other technical projects.
Phabricator	Global ticketing system for tracking issues and feature requests.

Europe • Asia • Americas • Africa • Oceania • Soon • Scroll To Top

Note

Explore all 42 schools worldwide. For the most up-to-date list, click here.

Europe

Flag	Country	School
🇦🇲	Armenia	42 Yerevan
🇦🇹	Austria	42 Vienna
🇧🇪	Belgium	19 Antwerp
🇧🇪	Belgium	19 Brussels
🇨🇿	Czech Republic	42 Prague
🇫🇮	Finland	Hive
🇫🇷	France	42 Angoulême
🇫🇷	France	42 Le Havre
🇫🇷	France	42 Lyon
🇫🇷	France	42 Mulhouse
🇫🇷	France	42 Nice
🇫🇷	France	42 Paris
🇫🇷	France	42 Perpignan Occitanie
🇩🇪	Germany	42 Berlin
🇩🇪	Germany	42 Heilbronn
🇩🇪	Germany	42 Wolfsburg
🇮🇹	Italy	42 Firenze
🇮🇹	Italy	42 Roma
🇱🇺	Luxembourg	42 Luxembourg
🇵🇱	Poland	42 Warsaw
🇵🇹	Portugal	42 Lisboa
🇵🇹	Portugal	42 Porto
🇪🇸	Spain	42 Alicante
🇪🇸	Spain	42 Barcelona
🇪🇸	Spain	42 Madrid
🇪🇸	Spain	42 Málaga
🇪🇸	Spain	42 Urduliz
🇨🇭	Switzerland	42 Lausanne
🇳🇱	Netherlands	Codam
🇹🇷	Turkey	42 Istanbul
🇬🇧	United Kingdom	42 London
🇷🇺	Russia	School 21 – Kazan
🇷🇺	Russia	School 21 - Moscow

Asia

Flag	Country	School
🇯🇵	Japan	42 Tokyo
🇯🇴	Jordan	42 Amman
🇲🇾	Malaysia	42 Kuala Lumpur
🇸🇬	Singapore	42 Singapore
🇰🇷	South Korea	42 Gyeongsan
🇰🇷	South Korea	42 Seoul
🇹🇭	Thailand	42 Bangkok
🇹🇷	Turkey	42 Kocaeli
🇦🇪	United Arab Emirates	42 Abu Dhabi

Americas

Flag	Country	School
🇧🇷	Brazil	42 Belo Horizonte
🇧🇷	Brazil	42 Rio
🇧🇷	Brazil	42 São Paulo
🇨🇦	Canada	42 Québec

Africa

Flag	Country	School
🇦🇴	Angola	42 Luanda
🇲🇦	Morocco	1337 Ben Guerir
🇲🇦	Morocco	1337 Khouribga
🇲🇦	Morocco	1337 Med

Oceania

Flag	Country	School
🇦🇺	Australia	42 Adelaide

Soon

Flag	Country	School
🇲🇬	Madagascar	42 Antananarivo
🇱🇧	Lebanon	42 Beirut
🇵🇸	Palestine	42 Nablus

Artificial Intelligence • Educational Resources • Design Tools • Entertainment • Development Tools • Others • Scroll To Top

Artificial Intelligence

A diverse ecosystem of AI-driven solutions.

Chatbot

Website	Description	Source
ChatGPT	Chatbot launched by OpenAI in November 2022.	`Website`
Gemini	AI chatbot from Google (formerly Bard).	`Website`
Copilot	AI chatbot from Microsoft (formerly Bing).	`Website`
PromptHero	Specific prompts for AI tools.	`Website`
BLACKBOX AI	AI powered coding assistant.	`Website`
Ollama	Create, run, and manage LLMs in a local environment.	`Website`
Open WebUI	User-friendly WebUI for LLMs (formerly Ollama WebUI).	`GitHub`

Text

Website	Description	Source
Rytr	AI writing assistant that helps create high-quality content.	`Website`
QuillBot	Spelling/grammar checker.	`Website`
Writerly	Content creation.	`Website`

Media

Website	Description	Source
Stable Diffusion	Latent text-to-image diffusion model capable of generating photo realistic images.	`Website`
OpenJourney	Trained art model used in Stable Diffusion (includes negative prompts).	`Website`
Midjourney	Generates images from prompts, similar to OpenAI DALL-E.	`Website`
Boomy	Write and produce a full song in seconds.	`Website`
Gen-2	Generate novel videos with text, images, or video clips.	`Website`
NVIDIA Canvas	Turn simple brushstrokes into realistic landscape images.	`Website`
InvokeAI	Generate and create stunning visual media.	`GitHub`

Miscellaneous

Website	Description	Source
Futurepedia	Largest AI tools directory.	`Website`
Future Tools	Collection of all the best AI tools	`Website`
Hugging Face	Trained AI models to use with other AI tools.	`Website`

Educational Resources

Insights and handy references for programming and learning.

Platforms

Website	Description	Source
Udemy	Learning and teaching marketplace.	`Website`
Coursera	Courses, professional certificates, and degrees from world-class universities and companies.	`Website`
edX	Massive open course (MOOC) provider.	`Website`
Google Codelabs	Guided tutorials and hands on coding experience.	`Website`
Codecademy	Interactive platform that offers free coding classes.	`Website`
Google Cloud Skills Boost	Cloud environments that help developers and IT professionals learn.	`Website`
LinkedIn Learning	Learn business, creative, and technology skills to achieve personal and professional goals.	`Website`
Datacamp	Platform that focuses on building the best learning experience specifically for data science.	`Website`
Hackr	Hundreds of programming courses and tutorials.	`Website`
Envato Tuts+	Learn creative skills from leading industry experts.	`Website`

Quick References

Website	Description	Source
QuickRef	Cheatsheets and quick references for various programming languages and tools.	`Website`
Programming Notes for Professionals	Free Programming Books on various languages.	`Website`
Learning Resources	List of free learning resources in many languages.	`GitHub`
Server World	Website for people who like to build network servers with `CentOS`, `Ubuntu`, `Fedora`, `Debian`, and `Windows Server`.	`Website`
Cheatography	Collection of cheatsheets and quick references in 25 languages.	`Website`
Cheat Sheets	Cheatsheets, round-ups, quick reference cards, quick reference guides and quick reference sheets in one page.	`Website`
Devhints	Modest collection of cheatsheets.	`Website`
OverAPI	Website that collects all the cheatsheets.	`Website`
Awesome Cheat Sheets	Cheatsheets for popular programming languages, frameworks and development tools.	`Website`
The Book of Secret Knowledge	A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, CLI/Web tools and more.	`GitHub`

Design Tools

A curated collection of tools for creative endeavours.

Generators

Website	Description	Source
ASCII Table	ASCII character codes and symbols.	`Website`
Lorem Ipsum	Information on its origins, as well as a random Lipsum generator.	`Website`
RANDOM.ORG	True random number service.	`Website`
YayText	Generate a variety of cool unicode font styles.	`Website`
Tables Generator	Easily create even complex LaTeX tables.	`Website`
Duplicate Word Finder	Find duplicate words in a text.	`Website`
Duplicate Word Finder - CodePen	Find duplicate words in a text.	`Website`

Illustrations

Website	Description	Source
Flaticon	Free vector icons.	`Website`
Reshot	Free curated SVG icons and vector illustrations.	`Website`
unDraw	Open source illustrations.	`Website`
Emojipedia	Emoji search engine.	`Website`
Unicode Full Emoji List	Unicode emoji list.	`Website`
GitHub Emoji Cheatsheet	Emoji cheatsheet.	`GitHub`
GitHub Emoji API	GitHub emoji API.	`GitHub`

Images

Website	Description	Source
Lorem Picsum	The Lorem Ipsum for photos.	`Website`
Unsplash	Beautiful, free images and photos.	`Website`
TinEye	Reverse image search.	`Website`
Google Images	Reverse search the web for images.	`Website`

Colors

Website	Description	Source
Flat UI Colors	A total set of 280 colors for UI.	`Website`
ColorSpace	Find the perfect matching color scheme.	`Website`

Design

Website	Description	Source
Placeit	Wide range of design templates.	`Website`
Canva	Online graphic design tool.	`Website`
Pitch	Collaborative presentation software.	`Website`
Prezi	Presentation software.	`Website`
Google Slides	Create a new presentation and edit it with others at the same time.	`Website`
Envato Market	Website templates and themes.	`Website`
Elements Envato	Unlimited downloads of stock videos, photos, music, and more.	`Website`

Video

Website	Description	Source
Mixkit	Free stock video clips, music tracks, and sound effects.	`Website`

Entertainment

A diverse array of online entertainment and media resources.

Note

Depending on your 42 school rules, you may or may not play certain games on school computers. Avoid getting -420 and community service.

Media

Website	Description
Sudoku	Sudoku online from easy to expert level.
2048	Slide numbered tiles on a grid to combine them to create a tile with the number 2048.
Keybr	Learn to type faster with typing tests and practice typing lessons.
The Scale of the Universe	interactive experience to learn about the vast ranges of the visible and invisible world.
The Is This Prime?	Can you guess if a number is prime?
Quick, Draw!	Can a neural network learn to recognize squiggles?
Random Country Generator	Learn about all the countries in the world.
SQL Murder Mystery	Learn SQL concepts and commands with a fun game.

Rubik's Cube

Website	Description
SpeedSolving	Community focused on speed solving puzzles.
Ruwix	Learn about Rubik's Cube and other twisty puzzles.

Chess

Website	Description
Chess	#1 Website to play chess online.
Lichess	Free and open-source chess server. Clean interface, no registration, no ads, and no plugin required.
Chess24	Chess 24/7 news.
Kasparovchess	Garry Kasparov masterclass, lessons from grandmasters, entertaining documentaries and interviews.
ChessBase	Chess news and stand-alone database that has become the standard throughout the world.
Chessgames	Database of chess games, discussion forums, forming the internet's oldest chess community.
Notable Chess games of all time	Explore the greatest chess matches in history.
Chess Tactics	Chess tactics taught in plain English.
Chessboard.js	Chess game of Math.random() vs Math.random()?
Britannica	What is chess?
Chess Wikipedia	Learn chess history.

Development Tools

A comprehensive list of online IDEs, compilers, and debuggers.

Website	Description	Source
JSFiddle	Test JavaScript, CSS, HTML, or CoffeeScript online with the JSFiddle code editor.	`Website`
CodeSandbox	Cloud development platform that empowers developers to code, collaborate and ship projects of any size from any device.	`Website`
CodeAnywhere	Cross Platform Cloud IDE with all the features of Desktop IDE but with additional features.	`Website`
StackBlitz	Instant full-stack web IDE for the JavaScript ecosystem.	`Website`
AWS Cloud9	Cloud-based integrated development environment (IDE) that lets you write, run, and debug your code with just a browser.	`Website`
Gitpod	Cloud development environment for teams to efficiently and securely develop software.	`Website`
Eclipse Theia	Framework for building tools and IDEs.	`Website`
GitHub Codespaces	Use Visual Studio Code, Jupyter, or JetBrains with the editor, terminal, debugger, version control, settings sync, etc.	`Website`
JetBrains Space	A complete software development platform, collaboration, and team and project management.	`Website`
CodeTasty	Powerful online code editor in the cloud supporting over 40 languages like PHP, Node.JS, Python, Java, Ruby, and C.	`Website`
PaizaCloud	Cloud IDE supporting languages including C, C++, PHP, Ruby, Perl, Python, JavaScript with Node.js and Go.	`Website`
Scrimba	Interactive courses and tutorials teaching React, Vue, Angular, JavaScript, HTML, CSS, etc.	`Website`
CodePen	Social development environment for front-end designers and developers.	`Website`
JetBrains	Integrated development environment Software (IDE).	`Website`

Others

Various tools, resources, curiosities, ... of no particular order or importance.

Website	Description	Source
Easing Functions	Make animations more realistic by picking the right easing function.	`Website`
Guerrilla Mail	Disposable temporary email address.	`Website`
Explain Shell	Write down a command line to see the help text that matches each argument.	`Website`
sha256	sha256 algorithm explained with visuals and interactive.	`Website`
Know Your Meme	Documenting Internet phenomena: viral videos, image macros, catchphrases, web celebs and more.	`Website`
Character Counter	Free online character count calculator that's simple to use.	`Website`
PlayPhrase.me	Lets you search for particular phrases and soundbites uttered on-screen.	`Website`
Similarsites	Explore competitors and related sites.	`Website`
Time.is	7 million locations, 57 languages, synchronized with atomic clock time.	`Website`
Time and Date	Current Time (World Clock) and online and printable Calendars for countries worldwide.	`Website`
The 88x31 GIF Collection	A collection of 4161 classic 88x31 buttons from the 1990s, 2000s, and today in GIF format.	`Website`
Cool, but obscure X11 tools	Small collection of some obscure tools for the X Window System.	`Website`
Cool, but obscure UNIX tools	A little collection of cool unix terminal/console/curses tools.	`Website`
This website will self-destruct	This website will self-destruct.	`Website`
Start Your Own ISP	This guide is about building a Wireless ISP (WISP).	`Website`
Where is Roadster?	6 February 2018, at 20:45 UTC, the first Falcon Heavy was launched into space. It contained a very special payload, a Tesla Roadster with Starman.	`Website`
This person does not exist	Random Face Generator.	`Website`
Google Books Ngram Viewer	Online search engine that charts the frequency of terms used in books over time.	`Website`
Keanu is immortal	Proof of Keany Reeves is immortal.	`Website`
YouGlish	Don't know how to pronounce a word? Use Youtube to improve your English pronunciation.	`Website`
txti	Fast web pages for everybody.	`Website`
PageSpeed Insights	Analyze the score and use PageSpeed Insights suggestions to make your website faster.	`Website`
Testmysite.io	Is your site as fast and secure as possible?	`Website`
Worldometer	Live world statistics. `Population` `Government` `Economics` `Society` `Media` `Environment` `Food` `Water` `Energy` `Health`	`Website`
Free Postcard	Send a free postcard with a photo to anyone in the USA.	`Website`
20,000 Startup Ideas	Out of ideas?	`Website`
Hacker News Title Edit Tracker	Hacker News whose titles have been edited since they were first posted.	`Website`
Sketchy Website	You can trust this website.	`Website`
CloudConvert	Online file converter. `Audio` `Video` `Document` `Ebook` `Archive` `Image` `Spreadsheet` `Presentation`.	`Website`
Spreadsheet Converter	Upload a photo and instantly download it as a real spreadsheet!	`Website`
Radiooooo	The Musical Time Machine. `Music`	`Website`
TV Chart	View a graph of any TV show's ratings, by episode.	`Website`
Famous Scientists	Personal life and achievements of the most famous scientists and inventors in history.	`Website`
bellingcat	Netherlands-based investigative journalism group that specialises in fact-checking and open-source intelligence.	`Website`
Artvee	Browse and download high-resolution, public-domain Paintings, Drawings, Illustrations and Posters.	`Website`
Lightyear.fm	A journey through space, time, & music. Radio broadcasts leave Earth at the speed of light.	`Website`
Deceptive Design	What is deceptive design (also known as "dark patterns")?	`Website`
DuckDuckGo	The Internet search engine that emphasizes protecting searchers' privacy.	`Website`
elgooG	Create, restore, and discover interactive Google Easter Eggs.	`Website`
Every Noise at Once	Algorithmically-generated, readability-adjusted scatter-plot of the musical genre space.	`Website`
Animated Knots	Learn how to tie knots of any kind.	`Website`
Docusaurus	An optimized site generator in React. Helps you to move fast and write content.	`Website`
Kickresume	Assemble your resume from more than 20,000 pre-written phrases for more than 3,200 positions.	`Website`
Uneed	Curated list of the best tools on the internet.	`Website`
iLovePDF	Every tool you need to use PDFs, at your fingertips.	`Website`
FreezingCam	Freeze your webcam at any time during video calls. You can even play a video instead!	`Website`
Spicetify	Powerful CLI tool to take control of the Spotify client.	`Website`
Discord Plugins	Community custom-made plugins for Discord.	`Website`
Office 365	Microsoft Teams, Word, Excel, PowerPoint, Outlook, OneDrive, etc.	`Website`

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