Lib.rs

Index of 234,048 Rust libraries and applications. Lightweight, opinionated, curated, unofficial alternative to crates.io. More…

Categories
New and trending
Stats
Popular
Maintainer Dashboard

Network programming
Network protocols such as FTP, HTTP, or SSH, or lower-level TCP or UDP.
- tower
- sysinfo
- tonic
- aws-config
- ipnet
- socket2
- quinn
- async-graphql
- cfn-guard-ffi
- quiche
- aws-smithy-eventstream
- pingora
- aws-smithy-http-client
- and 15787 more…
Rust patterns
Shared solutions for particular situations specific to programming in Rust.
- zerocopy
- bitflags
- generic-array
- anyhow
- derive_more
- http
- once_cell
- ordered-float
- snafu
- facet
- aws-smithy-types-convert
- turul-mcp-json-rpc-server
- and 7168 more…
Algorithms
Core algorithms such as hashing, sorting and searching.
- rand
- crc
- ahash
- strsim
- fastrand
- crypto-bigint
- rustc-hash
- rustfft
- sketches-ddsketch
- special
- ids_service
- veg
- rexile
- yaspar-ir
- downstream
- dory-pcs
- and 6780 more…
Data structures
Rust implementations of data structures for specific purposes.
- hashbrown
- indexmap
- bitvec
- smallvec
- phf
- roaring
- ndarray
- rangemap
- quantities
- im-lists
- trie
- fastbloom
- domain-key
- stac
- llm_models_spider
- ooroo
- agnix-rules
- and 5505 more…
Encoding data
Encoding and/or decoding data from one data format to another.
- serde_json
- base64
- schemars
- prost
- ron
- serde_with
- toml
- rmp-serde
- erased-serde
- ason
- rust_xlsxwriter
- tracing-perfetto-sdk-layer
- openlr
- codas
- bincode-next
- and 5642 more…
Cryptography
Algorithms intended for securing data.
- curve25519-dalek
- rustls
- blake3
- sha2
- rsa
- webpki-roots
- openssl
- rcgen
- snmp2
- coset
- vsss-rs
- dsa
- rgp
- aws-lc-rs
- s2n-tls
- aws-lc-fips-sys
- oboron
- ort-openrouter-cli
- and 5858 more…
Asynchronous
Async program flow using techniques like futures, promises, waiting, or eventing.
- tokio
- h2
- futures
- async-io
- tokio-rustls
- deadpool
- tower-http
- rdkafka
- tokio-macros
- keen-retry
- mkv-element
- specta-serde
- pingora-timeout
- cdpkit
- busybody
- and 6126 more…
Concurrency
Implementing concurrent and parallel computation.
- parking_lot
- spin
- rayon
- async-channel
- thread_local
- crossbeam
- async-lock
- ringbuf
- sea-streamer
- observable-property
- pueue
- maiko
- shipyard
- compact-waitgroup
- and 2910 more…
Development tools
Testing, debugging, linting, performance profiling, autocompletion, formatting, and more.
- object
- kube
- oxc_resolver
- gix
- gix-hash
- capnpc
- git-mit
- k8s-openapi
- kubectl-view-allocations
- tessera-design-toolkit
- a2c-smcp
- kaish-kernel
- nu_plugin_skim
- and 4101 more…
Debugging
Figure out what is going on with your code via logging, tracing, or assertions.
- tracing
- env_logger
- log
- console-subscriber
- backtrace
- prometheus
- tracing-opentelemetry
- gimli
- influxive
- tracing-cloudwatch
- rust-mcp-server
- watchlog
- and 2536 more…
Build Utils
Utilities for build scripts and other build time steps.
- cc
- pkg-config
- cmake
- vergen
- linkme
- rustc_version
- vcpkg
- version_check
- convco
- justrs
- nu_plugin_jwalk
- cargo-config2
- javac
- binstalk-registry
- rpm-qa
- and 1756 more…
Testing
Verify the correctness of your code.
- insta
- trybuild
- pretty_assertions
- wiremock
- assert_cmd
- httpmock
- proptest
- mockito
- checkito
- libcnb-test
- turul-mcp-builders
- test-r
- thoughtjack
- chromey
- and 2479 more…
FFI
Interface with other languages. Includes binding generators and helpful language constructs.
- pyo3
- napi
- cbindgen
- jni
- numpy
- bindgen
- uniffi
- cxx
- tsync
- uniffi-runtime-javascript
- omg-idl-gen
- maturin
- uv-platform-tags
- elara-ffi
- sdl-main-wrapper
- and 1054 more…
Profiling
Figure out the performance of your code.
- criterion
- divan
- inferno
- hdrhistogram
- profiling
- pprof
- dhat
- tracing-tracy
- pyroscope
- qcs
- legion_prof_viewer
- tonic_prometheus_layer
- kvbench
- session-process-monitor
- and 1020 more…
Cargo plugins
Subcommands that extend the capabilities of Cargo.
- cargo_metadata
- cargo-hack
- clap-cargo
- cargo-sort
- cargo-deb
- cargo-tarpaulin
- cargo-careful
- cargo-llvm-lines
- cargo-edit
- cargo-public-api
- cargo-msrv
- and 1574 more…
Procedural macros
Extend Rust language with procedural macros.
- syn
- darling
- strum
- proc-macro-crate
- ctor
- quote
- proc-macro-error2
- macrotest
- specr-transpile
- spider_chromiumoxide_cdp
- enum_variant_type
- facet-macro-types
- and 10609 more…
Text processing
Deal with the complexities of human language when expressed in textual form.
- regex
- unicode-normalization
- ropey
- textwrap
- encoding_rs
- similar
- fancy-regex
- const_format
- pdf
- tossicat
- stylin
- commitbot
- pprint
- nu_plugin_regex
- and 5787 more…
Filesystem
Crates for dealing with files and filesystems.
- tempfile
- notify
- dirs
- which
- camino
- fs-err
- glob
- shellexpand
- watchexec
- file_backed
- lsv
- ignore-check
- skim
- simple-fs
- worktrunk
- oak-vfs
- slabtastic
- and 4696 more…
Parser implementations
Parse data formats or languages.
- quick-xml
- simd-json
- semver
- sqlparser
- comrak
- url
- roxmltree
- ttf-parser
- tree-sitter-elixir
- aws-smithy-json
- deb822-lossless
- nu_plugin_json_path
- and 8043 more…
Web programming
Create applications for the Web.
- wgpu
- webbrowser
- jsonschema
- web-sys
- httparse
- object_store
- jsonpath-rust
- iri-string
- specta
- oxc-browserslist
- cfn-guard
- aws-smithy-types
- aws-smithy-runtime
- and 6852 more…
HTTP server
Server-side programming
- hyper
- axum
- actix-web
- hyper-rustls
- axum-test
- actix-cors
- lambda_runtime
- leptos
- akari
- atproto-static-web
- aws-smithy-runtime-api
- turul-http-mcp-server
- and 4565 more…
HTTP client
Make HTTP network requests.
- ureq
- reqwest
- octocrab
- graphql_client
- reqwest-middleware
- h3
- thirtyfour
- eventsource-client
- fantoccini
- llm-connector
- pwned-passwords-downloader-rs
- and 1456 more…
WebSocket
Communicate over the WebSocket protocol.
Parser tooling
Low-level tools and parser generators.
- nom
- pest
- logos
- chumsky
- combine
- lalrpop
- fast-float2
- bitreader
- camxes-rs
- oak-core
- pdl-runtime
- minparser
- oak-actionscript
- arborium-sysroot
- oak-erlang
- and 661 more…
WebAssembly
Targeting or manipulating WebAssembly.
- wasmtime
- wasm-encoder
- wasm-bindgen
- wit-bindgen
- wit-component
- jsonrpsee
- console_error_panic_hook
- tsify
- weval
- node-html-parser
- mqtt5-wasm
- deno_graph
- and 3684 more…
Operating systems
Bindings to operating system-specific APIs.
- libc
- whoami
- errno
- quanta
- libloading
- os_info
- nu
- gethostname
- libredox
- nu-cmd-lang
- memtrace-ui
- nu_plugin_file_dialog
- redox_syscall
- nu-plugin
- axdriver_block
- and 2318 more…
Unix APIs
Bindings to Unix-specific APIs.
- rustix
- zbus
- nix
- glib
- notify-rust
- home
- dbus
- oci-spec
- nono
- monitord-exporter
- repro-threshold
- libscap-bindings
- shvproto
- perf-event-open
- shell-cell
- and 2318 more…
Windows APIs
Bindings to Windows-specific APIs.
- windows
- fd-lock
- winreg
- embed-resource
- wild
- wmi
- windows-service
- winapi
- uiautomation
- eventlog
- windy
- known-folders
- ccaps
- win_event_hook
- dxgi-capture-rs
- and 775 more…
macOS and iOS APIs
Bindings to Apple-specific APIs.
- core-foundation
- mach2
- objc2
- objc
- core-text
- screencapturekit
- block2
- swift-bridge
- dispatch2
- sysdir
- macho-assembler
- machx
- getargv
- fishhook
- rattler_virtual_packages
- and 528 more…
Android
Mobile development
- android-activity
- android_logger
- findshlibs
- proguard
- font-kit
- android_log-sys
- apkeep
- mopro-ffi
- plt-rs
- rsproperties
- apk-info
- cargo-apk2
- blinc_platform_android
- and 99 more…
Science
Solving problems involving math, physics, and other scientific fields.
- hdf5-metno
- mendeleev
- splashsurf
- app_units
- biblib
- fitsio
- birli
- nu-jupyter-kernel
- libcnb-package
- ternary-signal
- cubecl-wgpu
- lox-units
- cubecl-hip
- and 4819 more…
Math
Solving problems involving math and logic.
- num-bigint
- statrs
- euclid
- kurbo
- bigdecimal
- rug
- nalgebra
- num-traits
- ndarray-glm
- cubecl
- tampines-steam-tables
- mraphics
- oak-folding
- lox-math
- ryft-mlir
- and 4817 more…
Machine learning
AI, ML, NN, etc.
- rmcp
- safetensors
- ort
- fastembed
- hf-hub
- candle-nn
- tiktoken-rs
- burn
- ask_llm
- scouter-profile
- tandem-core
- perpetual
- genai
- llama-cpp-2
- oris-evolution
- and 3955 more…
Geospatial
GIS, maps, and stuff on Earth
- geo
- fake
- geozero
- google_maps
- wkt
- i_overlay
- anise
- proj
- geo-geodesy
- lox-space
- grib-cli
- libgweather
- mlt
- versatiles_pipeline
- genom
- ccsds-ndm
- valhalla
- and 779 more…
Compression
Algorithms for making data smaller.
- zip
- flate2
- parquet
- tar
- miniz_oxide
- lz4_flex
- brotli
- zstd
- libz-rs-sys
- post-archiver
- nu_plugin_strutils
- zlib-rs
- pingora-header-serde
- crush-core
- and 2059 more…
Memory management
Allocation, memory mapping, garbage collection, reference counting, or interfaces to foreign memory managers.
- bumpalo
- arc-swap
- slab
- memmap2
- tikv-jemallocator
- sharded-slab
- mimalloc
- heapless
- flexstr
- bufio
- mozjs
- swc_malloc
- picket
- cubecl-ir
- flexstr_support
- and 1675 more…
Hardware support
Interface with specific CPU or other hardware features.
- crc32fast
- wide
- num_cpus
- raw-cpuid
- serialport
- cudarc
- blake2b_simd
- nvml-wrapper
- ev3dev-lang-rust
- cctv
- virtio-drivers-and-devices
- videostream
- lsm9ds0
- and 4549 more…
Embedded development
For embedded devices or devices without an operating system.
- portable-atomic
- rhai
- embedded-hal
- fixed
- embedded-graphics
- elf
- rppal
- riscv
- gd32f4pac
- tg-rcore-tutorial-ch1
- tg-rcore-tutorial-ch4
- tg-rcore-tutorial-ch5
- and 5391 more…
Command-line interface
Argument parsers, line-editing, or output coloring and formatting.
- colored
- comfy-table
- crossterm
- rustyline
- codespan-reporting
- owo-colors
- clap
- nu-ansi-term
- lexopt
- clap-stdin
- reedline
- promkit
- asciinema
- nu-protocol
- and 2599 more…
Command line utilities
Applications to run at the command line.
- duct
- procs
- lsd
- irust
- llmfit
- tealdeer
- tui-realm-stdlib
- snazy
- aaa
- random_ascii
- alpha-counter-cli
- ran-launcher
- tbdflow
- cli-agent
- govctl
- ai4ose-lab1-2026s
- and 12340 more…
Database interfaces
Interface with database management systems.
- rusqlite
- sea-orm
- sqlx
- redis
- diesel
- lapin
- rocksdb
- sea-query
- slatedb
- datafusion
- odbc-sys
- rpkl
- turul-mcp-server
- turul-mcp-session-storage
- scouter-sql
- and 8970 more…
Database implementations
Database management systems implemented in Rust.
- arrow
- tantivy
- surrealdb
- redb
- fjall
- sonic-server
- surrealkv
- oxigraph
- datafusion-session
- nu_plugin_polars
- aedb
- lago-api
- lago-fs
- lago-journal
- lago-store
- and 934 more…
Date and time
Dealing with the fourth dimension.
- chrono
- humantime
- chrono-tz
- iana-time-zone
- icu_calendar
- duration-str
- httpdate
- tokio-cron-scheduler
- temporal_rs
- sofars
- dos-date-time
- temporal_capi
- and 1131 more…
Programming languages
Compilers
- rustc-demangle
- ariadne
- tree-sitter
- typst
- boa_engine
- llvm-sys
- rquickjs
- swc_ecma_codegen
- mimium-lang
- pixelscript
- oxc
- type-bridge-core-lib
- oxc_transformer
- and 2866 more…
No standard library
Libraries that function without the Rust standard library.
- getrandom
- libm
- target-lexicon
- hash32
- dcv-color-primitives
- petname
- spectrum-analyzer
- average
- build-context
- titanf
- peach_metrics
- shiguredo_mp4
- and 815 more…
Authentication
Help with the process of confirming identities.
- jsonwebtoken
- git2
- keyring
- argon2
- openapiv3
- rpassword
- oauth2
- totp-rs
- objectstore-client
- shreddit
- kaniop
- kaniop-webhook
- kaniop-crdgen
- azure_jwt
- and 3558 more…
Configuration
Configuration management for applications.
- config
- configparser
- rust-ini
- figment
- dotenvy
- etcetera
- cedar-policy
- confy
- launchdarkly-server-sdk-evaluation
- ke
- vpxtool
- nextcloud-config-parser
- and 2703 more…
Internationalization (i18n)
and localization (l10n). Develop software for various languages and regions.
- num-format
- icu_properties
- icu_collator
- icu_normalizer
- rust-i18n
- sys-locale
- uucore
- icu_datetime
- rlibphonenumber
- fiat-lux
- rusty18n
- my_country
- and 991 more…
Multimedia
Audio, video, and image processing or rendering engines.
Images
Process or make graphics.
- rgb
- arboard
- image
- qrcode
- png
- resvg
- fast_image_resize
- zune-jpeg
- imageproc
- charts-rs
- captcha-rs
- pixelmosh
- shrinkray
- micropdf
- vision-calibration-pipeline
- and 2462 more…
Audio
Record, output, or process audio.
- cpal
- rodio
- rubato
- hound
- symphonia
- id3
- lofty
- gstreamer-pbutils
- mimium-bintools
- iab-specs
- petalsonic
- mimium-midi
- headroom
- mimium-diff-visualizer
- and 2979 more…
Video
Record, output, or process video.
- gstreamer
- ffmpeg-next
- webrtc
- nom-exif
- rav1e
- openh264
- xcap
- gifski
- ab-av1
- yt-dlp
- dash-mpd-cli
- tplay
- mediar
- gativideo
- camgrab-core
- gstreamer-video
- and 1304 more…
Rendering
Real-time or offline rendering of 2D or 3D graphics, usually on a GPU.
- minifb
- pangocairo
- lin_alg
- taitank-rs
- label-logger
- px2ansi-rs
- pdfium-bind
- rasteroid
- pangocairo-sys
- horned-bin
- horned-owl
- gpui-animation
- palette-core
- and 2485 more…
Graphics APIs
Direct access to the hardware's or the operating system's rendering capabilities.
- tiny-skia
- ash
- core-graphics
- metal
- glow
- glutin
- khronos-egl
- lyon
- wgpu-hal
- gaia-assembler
- gdext-egui
- pdfium
- jay-ash
- wgpu-core
- oak-hlsl
- grafo
- tl_metal
- and 2481 more…
Gfx data formats
Loading and parsing of data for 2D/3D rendering, like 3D models or animations.
- fontdb
- gltf
- swash
- noto-sans-mono-bitmap
- poppler-rs
- build_pbf_glyphs
- tween
- ab_glyph_rasterizer
- bevy_gaussian_splatting
- threecrate-io
- spirv-tools
- and 308 more…
Rendering engine
High-level solutions for rendering on the screen.
- vk-mem
- meshopt
- intel_tex_2
- debug_timer
- coda-cli
- frankenterm-core
- textcanvas
- all-is-cubes
- pict
- imagic
- graphics
- horizon-lattice-render
- block_compression
- and 139 more…
Value formatting
Format values for display to a user, potentially adapting the display to various languages and regions.
- ryu
- uuid
- bytesize
- prettyplease
- humansize
- ryu-js
- uom
- itoa
- const-hex
- arrow-cast
- mimium-fmt
- nu-pretty-hex
- localgpt-world-types
- ms-pdb-mcp
- bt_string_utils
- and 845 more…
Template engine
Combine templates with data to produce documents, usually with an emphasis on processing text.
- minijinja
- handlebars
- askama
- tera
- liquid
- maud
- mrml
- hayagriva
- cooklang-reports
- typst-bake
- ora-server
- bito-lint
- flexpdf
- bphelper-build
- oak-handlebars
- and 1664 more…
GUI
Create a graphical user interface.
- egui
- gtk4
- winit
- taffy
- softbuffer
- iced
- wry
- raw-window-handle
- crux_core
- hyprshell
- tauri-plugin-ota-updater
- wayland-protocols-treeland
- pelican_ui
- and 3908 more…
Game dev
Crates for creating games.
- glam
- bevy
- tobj
- bevy_egui
- gilrs
- hecs
- steamworks
- avian3d
- spades
- rerecast
- yarnspinner
- bevy_ascii_terminal
- bevy_shuffle_bag
- bevy_yarnspinner
- bevy_keyboard_shortcuts
- and 5583 more…
Games
Fun and entertainment. Games and mods implemented in Rust.
- rpfm_cli
- protonup-rs
- steamlocate
- riven
- rosu-pp
- shticker_book_unwritten
- libloadorder
- ferium
- protoc-gen-luau
- bw-web-api-rs
- bigbrainwordle
- cliard24
- and 1990 more…
Caching
Store the results of previous computations.
- moka
- lru
- cached
- quick_cache
- lasso
- http-cache-semantics
- foyer
- ustr
- clru
- leptos-fetch
- maa-framework
- kubewarden-policy-sdk
- TinyUFO
- pingora-lru
- and 1142 more…
Visualization
Ways to view data, such as plotting or graphing.
- plotters
- plotly
- egui_plot
- tokei
- rerun
- charming
- prodash
- fxprof-processed-profile
- polyscope-render
- polyscope-structures
- polyscope-rs
- polyscope-core
- and 1498 more…
Finance
Payments, accounting, trading using real money
Email
Sending, receiving, formatting, and parsing email.
- lettre
- mail-parser
- mailparse
- imap
- email_address
- async-imap
- imap-proto
- rfc2047-decoder
- open-feature
- debian-changelog
- email-address-parser
- async-pop
- and 946 more…
Text editors
Applications for editing text.
- tui-textarea
- lsp-server
- lsp-types
- tower-lsp
- vle
- just-lsp
- nickel-lang-cli
- neocmakelsp
- sigrs
- oak-lsp
- oak-ada
- oak-symbols
- oak-navigation
- oak-resolver
- and 1128 more…
Emulators
Run software or games not available natively on the host computer.
- emuman
- mos6502
- virt
- boytacean
- jailer
- agb
- mizu
- librashader
- tetanes
- w65c816
- agb_tracker_interop
- agb-gbafix
- agb_tracker
- udbserver
- monsoon-core
- and 545 more…
Simulation
Model or construct models for some activity, e.g. to simulate a networking protocol.
- rapier2d
- madsim
- nexosim
- wellen
- dubins_paths
- rebop
- mujoco-rs
- biodivine-lib-param-bn
- ballistics-engine
- lox-bodies
- lox-io
- revrt
- rgrow
- atelier_data
- and 1277 more…
Accessibility
Assistive technologies
- accesskit
- atspi
- macos-accessibility-client
- simple-hotkeys
- a11ywatch_cli
- brlapi
- terminator-rs
- mathcat
- librush
- colorverse
- whisp
- accesskit_winit
- and 162 more…
Security
anti-malware, pentesting, reversing, and code reviews
- cargo-auditable
- rustsec
- zizmor
- cargo-vet
- dz6
- sbom-tools
- clamav-client
- nyx-scanner
- rustdllproxy
- oneiromancer
- virustotal-rs
- ureld
- orcs-app
- repl-core
- and 380 more…
Biology
Bioinformatics
- needletail
- rust-htslib
- rust-lapper
- bio
- noodles
- minimap2
- ggetrs
- bio-seq
- biopath
- kira-proteoqc
- kira-microenvironment
- kira-autolys
- kira-riboqc
- and 988 more…
Robotics
Robotics and vehicle engineering
- rsruckig
- zenoh-plugin-dds
- vex-sdk
- rustypot
- shared-memory-server
- maviola
- ethercrab
- roslibrust
- ycbust
- vision-calibration-optim
- cu-rp-balancebot
- and 662 more…

About the site. By kornelski. Not affiliated with the Rust Project. Fun fact: this site runs on an ARM server!