Forms made easy for Rails! It's tied to a simple DSL
Generate JSON objects with a Builder-style DSL
Vagrant is a tool for building and distributing environments
Opal is a Ruby to JavaScript source-to-source compiler
Dependabot's core logic for creating update PR's
A simple, blog-aware static site generator written in Ruby
Pro Git 2nd Edition
Simple, but flexible HTTP client library, with support for backends
Asciidoctor PDF: A native PDF converter for AsciiDoc
A static analysis security vulnerability scanner for Ruby on Rails app
Cucumber for Ruby
The administration framework for Ruby on Rails applications
Ruby HTML and CSS sanitizer
RDoc produces HTML and online documentation for Ruby projects
Super simple PDF invoicing
Open source DocuSign alternative
Ruby programming language
jQuery for Opal
A fast, open source text processor and publishing toolchain
JSON implementation for Ruby
Object-based searching
Advisory locking for ActiveRecord
Easy responsive images for Jekyll
A Ruby/Rack web server built for concurrency
Ruby library for creating background jobs and processing them