Web Application Framework written in Ruby
Ruby programming language
Modern concurrency tools including agents, futures, promises, etc.
Universal Ruby library to handle WebSocket protocol
Ruby's bikeshed-proof linter and formatter
A simple Ruby Gem to bootstrap dependencies
JSON implementation for Ruby
The official AWS X-Ray Recorder SDK for Ruby
OpenProject is the leading open source project management software
Hyperextensible Vim-based text editor
Cucumber for Ruby
Asciidoctor PDF: A native PDF converter for AsciiDoc
Centralize, transform and stash your data
A fast, open source text processor and publishing toolchain
Opal is a Ruby to JavaScript source-to-source compiler
The Cocoa Dependency Manager
Super simple PDF invoicing
A static analysis security vulnerability scanner for Ruby on Rails app
Vagrant is a tool for building and distributing environments
Catches mail and serves it through a dream
A Crystal web framework that makes building applications fast
A rich text editor for everyday writing
Jekyll plugin for embedding PDF and PowerPoint files to any page
2D game development library for Ruby and C++
Google's data interchange format