A simple, Git-powered wiki with a local frontend and support for many kinds of markup and content.

The open LMS by Instructure, Inc.

💎 A fast, open source text processor and publishing toolchain, written in Ruby, for converting AsciiDoc content to HTML 5, DocBook 5, and other formats.

Jbuilder: generate JSON objects with a Builder-style DSL

Rails authentication with email & password.

A fast, powerful type checker designed for Ruby

A framework for building reusable, testable & encapsulated view components in Ruby on Rails.

Ruby library for the Stripe API.

The best Rails forums engine ever.

A framework for building object-oriented views in Ruby.

the 5k pocket full-of-gags web microframework

A learning management system (LMS) that lets you run an asynchronous online school, where learning is achieved through focused tasks, directed feedback, an iterative workflow, and community interac…

Use simple commands on the server to control client browsers in real-time

Ruby gem for RubyUI Components

Command-line tool for manipulating Harvest timesheets

A very fast json builder for Rails

Create powerful interfaces for filtering, searching, and sorting collections of items.