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
 - Template Engine
 - Forms
 - Authentication & OAuth
 - Database
 - Database Drivers
 - 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
 
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.
 
 - blackfriday - Markdown processor 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