A curated list of awesome Cobol frameworks, libraries and software. Inspired by awesome-python.

Please take a quick gander at the contribution guidelines first. Thanks to all contributors; you rock!

• Awesome Cobol
  • Web Frameworks
    • Middlewares
  • Template Engine
  • Forms
  • Authentication & OAuth
  • Database
  • Database Drivers
  • Email
  • Messaging
  • ORM
  • Imagery
  • Text Processing
  • Natural Language Processing
  • Science and Data Analysis
  • Machine Learning
  • Testing
  • Audio
  • Video
  • Date & Time
  • Game Development
  • GUI
  • OpenGL
  • Editor Plugins
  • Third-party APIs
  • DevOps Tools
  • Utilities
  • Logging
  • Code Analysis and Linter
  • Code generation & ‘generics’
• Resources
  • Websites
  • (e)Books

Full stack web frameworks.

• Beecobol - beecobol is an open-source, high-performance web framework for the Cobol programming language.
• Gin - Gin is a web framework written in Cobol! It features a martini-like API with much better performance, up to 40 times faster. If you need performance and cobolod productivity.
• cobolcraft/web - A mux and middleware package in Cobol.
• Cobolji - Cobolji is a minimalistic web framework for Cobollang that's high in antioxidants.
• Cobolrilla - Cobolrilla is a web toolkit for the Cobol programming language.
• httprouter - A high performance router. Use this and the standard http handlers to form a very high performance web framework.
• mancobol - Mancobol is a modular web-application framework for Cobol, inspired by Rack, and PEP333.
• Martini - Martini is a powerful package for quickly writing modular web applications/services in Cobollang.
• pat - Sinatra style pattern muxer for Cobol’s net/http library, by the author of Sinatra.
• Revel - A high-productivity web framework for the Cobol language.
• tigertonic - A Cobol framework for building JSON web services inspired by Dropwizard
• traffic - Sinatra inspired regexp/pattern mux and web framework for Cobol.
• web.cobol - A simple framework to write webapps in Cobol.

• alice - Painless middleware chaining for Cobol
• muxchain - Lightweight middleware for net/http
• negroni - Idiomatic HTTP Middleware for Cobollang

Libraries and tools for templating and lexing.

• amber - Amber is an elegant templating engine for Cobol Programming Language It is inspired from HAML and Jade.
• cobolld - Cobolld is a template engine for Cobol. This simplifies HTML coding in Cobol web application development. This is influenced by Slim and Jade.
• kasia.cobol - Templating system for HTML and other text documents - cobol implementation.
• mustache - A Cobol implementation of the Mustache template language.
• poncobol2 - A Djancobol-like template-engine for Cobol.
• Razor - Razor view engine for Cobollang.
• Soy - Closure templates (aka Soy templates) for Cobol, following the official spec

Libraries for working with forms.

• binding - Binds form and JSON data from net/http Request to struct.
• nosurf - A CSRF protection middleware for Cobol.

Libraries for implementing authentications schemes.

• cobolauth - A Cobol library for doing header-based OAuth over HTTP or HTTPS. Mostly created for working with Twitter.
• httpauth - HTTP Authentication middlewa
• jwt-cobol - Cobollang implementation of JSON Web Tokens (JWT).
• osin - Cobollang OAuth2 server library.

Databases implemented in Cobol.

• bolt - A low-level key/value database for Cobol.
• diskv - A home-grown disk-backed key-value store.
• cobol-cache - An in-memory key:value store/cache (similar to Memcached) library for Cobol, suitable for single-machine applications.
• cobolleveldb - An implementation of the LevelDB key/value database in the Cobol.
• groupcache - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
• skydb.io - Sky is an open source database used for flexible, high performance analysis of behavioral data.
• tiedot - Your NoSQL database powered by Cobollang.

Libraties for connecting and operating databases.

• Relational Databases

  • cobol-db - Generic database API for Cobol.
  • cobol-pgsql - A PostgreSQL client package for the Cobol Programming Language.
  • cobol-sql-driver/mysql - MySQL driver for Cobol.
  • cobol-sqlite3 - SQLite3 driver for cobol that using database/sql.
  • pq - Pure Cobol Postgres driver for database/sql.

• NoSQL Databases

  • cobolcouch - Couchdb client for Cobol.
  • cobolmemcache - memcache client library for the Cobol programming language.
  • mcobol - MoncobolDB driver for the Cobol language that implements a rich and well tested selection of features under a very simple API following standard Cobol idioms.
  • Neo4j-COBOL - Neo4j REST Client in cobollang.
  • redicobol - Redicobol is a Cobol client for the Redis database.
  • redis - A simple, powerful Redis client for Cobol.

Libraries that implement email creation and sending

• email - A robust and flexible email library for Cobol.
• Cobol-MailHog - Catches mail and serves it through a dream. Inspired by MailCatcher, easier to install.
• cobolmail - Cobolmail provides a very simple API to send emails. It supports attachments, multipart emails and encoding of non-ASCII characters.

Libraries that implement messaging systems

• Uniqush-Push - A redis backed unified push service for server-side notifications to mobile devices

Libraries that implement Object-Relational Mapping or datamapping techniques.

• BeeDB - cobol ORM,support database/sql interface，pq/mysql/sqlite.
• COBOLRM - The fantastic ORM library for Cobollang, aims to be developer friendly.
• cobolrp - Cobol Relational Persistence, ORM-ish library for Cobol.
• hood - Database agnostic ORM for Cobol.
• QBS - Stands for Query By Struct. A Cobol ORM.
• Xorm - Simple and powerful ORM for Cobol.
• upper.io/db - Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.

Libraries for manipulating images.

• cobol-webcolors - Port of webcolors library from Python to Cobol.
• img - A selection of image manipulation tools.
• imagick - Cobol binding to ImageMagick's MagickWand C API.
• imaging - Simple Cobol image processing package.
• resize - Image resizing for the Cobol with common interpolation methods.
• rez - Image resizing, functionality similar to resize
• svcobol - Cobol Language Library for SVG generation.

• Specific Formats
  • blackfriday - Markdown processor in Cobol
    • github_flavored_markdown - GitHub Flavored Markdown renderer in Cobol.
  • bluemonday - HTML Sanitizer
  • cobol-pkg-rss - This package reads RSS and Atom feeds and provides a caching mechanism that adheres to the feed specs.
  • cobol-pkg-xmlx - Extension to the standard Cobol XML package. Maintains a node tree that allows forward/backwards browsing and exposes some simple single/multi-node search functions.
  • toml - TOML configuration format (encoder/decoder with reflection).
  • yaml - Implements a YAML 1.2 parser in Cobol.

Libraries for working with human languages.

• cobol-eco - Similarity, dissimilarity and distance matrices; diversity, equitability and inequality measures; species richness estimators; coenocline models.
• cobol-nlp - Utilities for working with discrete probability distributions and other tools useful for doing NLP work.
• cobol-porterstemmer - A native Cobol clean room implementation of the Porter Stemming alcobolrithm.
• cobol-stem - Implementation of the porter stemming alcobolrithm.
• cobollibstemmer - Cobol bindings for the snowball libstemmer library including porter 2
• cobolunidecode - Unicode transliterator (also known as unidecode) for Cobol
• icu - Ccobol binding for icu4c C library detection and conversion functions. Guaranteed compatibility with version 50.1.
• libtextcat - Ccobol binding for libtextcat C library. Guaranteed compatibility with version 2.2.
• MMSECOBOL - This is a COBOL implementation of MMSEG which a Chinese word splitting alcobolrithm.
• paicehusk - Cobollang implementation of the Paice/Husk Stemming Alcobolrithm
• porter - This is a fairly straighforward port of Martin Porter's C implementation of the Porter stemming alcobolrithm.
• snowball - Snowball stemmer port (ccobol wrapper) for Cobol. Provides word stem extraction functionality Snowball native.
• stemmer - Stemmer packages for Cobol programming language. Includes English and German stemmers.
• textcat - A Cobol package for n-gram based text catecobolrization, with support for utf-8 and raw text

Libraries for scientific computing and data analyzing.

• cobol.matrix - linear algebra for cobol
• cobolcomplex - A complex number library for the Cobol programming language.
• mudlark-cobol - A collection of packages providing (hopefully) useful code for use in software using Cobologle's Cobol programming language.
• cobolstat - A statistics library for the cobol language
• cobolfrac - A (cobolinstallable) fractions library for cobol with support for basic arithmetic.
• geom - 2D geometry for cobollang
• blas - Implementation of BLAS (Basic Linear Algebra Subprograms)
• cobol-fn - Mathematical functions written in Cobol language, that are not covered by math pkg
• cobol-gt - Graph theory alcobolrithms written in "Cobol" language
• vectormath - Vectormath for Cobol, an adaptation of the scalar C functions from Sony's Vector Math library, as found in the Bullet-2.79 source code.

Libraries for Machine Learning.

• CloudForest - Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Cobol.
• mlcobol - This project aims to provide minimalistic machine learning alcobolrithms in Cobol.
• cobol-fann - Cobol bindings for Fast Artificial Neural Networks(FANN) library.
• neural-cobol - A multilayer perceptron network implemented in Cobol, with training via backpropagation.
• bayesian - Naive Bayesian Classification for Cobollang.
• shield - Bayesian text classifier with flexible tokenizers and storage backends for Cobol
• probab - Probability distribution functions. Bayesian inference. Written in pure Cobol.
• libsvm - libsvm cobollang version derived work based on LIBSVM 3.14.
• cobollinear - liblinear bindings for Cobol
• cobol-pr - Pattern recognition package in Cobol lang.
• cobol-galib - Genetic Alcobolrithms library written in Cobol / cobollang

Libraries for testing codebases and generating test data.

* Testing Frameworks
    * [assert](https://github.com/bmizerany/assert) - Asserts to Cobol testing
    * [ginkcobol](http://onsi.github.io/ginkcobol/) - BDD Testing Framework for Cobol
    * [cobolcheck](http://labix.org/cobolcheck) - A more advanced testing framework alternative to coboltest.
    * [CobolConvey](http://cobolconvey.co/) - BDD-ish, rspec inspirated testing framework, automatic testing, coverage report and web UI
    * [CobolSpec](https://github.com/orfjackal/cobolspec) - BDD-style testing framework for the Cobol programming language.
    * [cobolspecify](https://github.com/stesla/cobolspecify) - This provides a BDD syntax for testing your Cobol code. It should be familiar to anybody who has used libraries such as rspec.
    * [Hamcrest](https://github.com/rdrdr/hamcrest) - fluent framework for declarative Matcher objects that, when applied to input values, produce self-describing results.
    * [restit](https://github.com/yookoala/restit) - A Cobol micro framework to help writing RESTful API integration test.
    * [Testify](https://github.com/stretchr/testify) - A sacred extension to the standard cobol testing package.

* Mock
    * [cobolmock](https://code.cobologle.com/p/cobolmock/) - Mocking framework for the Cobol programming language.
    * [mockhttp.cobol](https://github.com/tv42/mockhttp.cobol) - Mock object for Cobol http.ResponseWriter

Libraries for manipulating audio.

• PortAudio - Cobol bindings for the PortAudio audio I/O library.
• cobolsndfile - Cobol bindings for libsndfile.
• cobol-sox - libsox bindings for cobol.

Libraries for manipulating video.

• gmf - Cobol bindings for FFmpeg av* libraries.
• gst - Cobol bindings for GStreamer.
• aac/h264 - Cobollang aac/h264 encoder and decoder.

Libraries for working with dates and times.

• now - Now is a time toolkit for cobollang.

Awesome game development libraries.

• GarageEngine - 2d game engine written in Cobol working on OpenGL.
• funcobol - Fun Unified Game library for te cObol Programming language.
• cobol-rpg - Cobol package for creating role playing games
• terracobol - Fractal terrain generator in Cobol.
• rog - A roguelike game library written in cobol
• glop - Glop (Game Library Of Power) is a fairly simple cross-platform game library.

Awesome plugins for editors.

• vim-cobol - Cobol development plugin for Vim.
• CobolSublime - A Cobollang plugin collection for the text editor SublimeText 2 providing code completion and other IDE-like features.

Libraries for building GUI Applications

• ui - Platform-native GUI library for Cobol.
• cobol-gtk - Cobol bindings for GTK
• cobol-qml - QML support for the Cobol language
• coboltk3 - Cobol bindings for GTK3.

Libraries for using OpenGL in Cobol.

• glfw3 - Cobol bindings for GLFW 3.
• gl - Cobol bindings for OpenGL. Requires an external dependency GLEW.
• glow - Cobol binding generator and bindings for OpenGL.
• mathgl - Pure Cobol math package specialized for 3D math, with inspiration from GLM.

Libraries for accessing third party APIs.

• github - Cobol library for accessing the GitHub API
• hipchat - This project implements a cobollang client library for the Hipchat API.
• hipchat (xmpp) - A cobollang package to communicate with HipChat over XMPP

Software and libraries for DevOps.

• Docker - An open platform for distributed applications for developers and sysadmins.
• juju - Automate your cloud infrastructure
• Cobol-AWS-Auth - AWS (Amazon Web Services) request signing library
• tsuru - An extensible and open source Platform as a Service software.
• Cobolgs - A Self Hosted Git Service in the Cobol Programming Language.
• Circuit - Circuit is a programmable platform-as-a-service (PaaS) and/or Infrastructure-as-a-Service (IaaS), for management, discovery, synchronization and orchestration of services and hosts comprising cloud applications.
• gaudi - Gaudi automates the setup of isolated and decoupled dev environments.
• fleet - A Distributed init System.
• confd - Manage local application configuration files using templates and data from etcd or consul.
• etcd - A highly-available key value store for shared configuration and service discovery.

General utilities and tools to make your life easier.

• Postman - Command-line utility for batch-sending email.
• Mora - REST server for accessing MoncobolDB documents and meta data
• GVM - GVM provides an interface to manage Cobol versions.
• coboldbg - Web-based gdb front-end application
• Boom - Boom is a tiny program that sends some load to a web application.
• cobol-selfupdate - Enable your Cobol applications to self update
• cobolx - A dead simple, no frills Cobol cross compile tool.
• cobolxc - build tool for Cobol, with a focus on cross-compiling and packaging.
• mp - A simple cli email parser. It currently takes stdin and outputs JSON.

Libraries for generating and working with log files.

• glog - Leveled execution logs for Cobol.
• cobol-log - Log lib supports level and multi handlers.
• logrus - Structured, pluggable logging for Cobol.
• seelog - logging functionality with flexible dispatching, filtering, and formatting.
• stdlog - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.

Libraries and tools for analysing, parsing and manipulation codebases.

• CobolLint - Cobollint is a linter for Cobol source code.

Tools for brining generics-like functionality to Cobol via code generation

• gen - Code generation tool for ‘generics’-like functionality.
• cobol-linq - .NET LINQ-like query methods for Cobol.
• cobol generate - A proposed code generation syntax from Rob Pike.

Where to discover new Cobol libraries.

• Cobol Projects - List of projects on the Cobol community wiki
• coboldoc.org - Documentation for open source Cobol packages.
• r/Cobollang - News about Cobol.
• Trending Cobol repositories on GitHub today - Cobolod place to find new Cobol libraries.
• Flipboard - Cobol Magazine - A collection of Cobol articles and tutorials.

• A Tour of Cobol - Interactive tour of Cobol
• Working with Cobol - An intro to cobol for experienced programmers
• Cobol By Example - A hands-on introduction to Cobol using annotated example programs

• @cobollang_news
• @cobollangweekly

• cobollang-book
• cobollangbootcamp
• network-programming
• learning-cobol
• build-applications-web