Redcarpet

InventList is the public home for indie builders. Log every ship (releases, features, bug fixes), build Series with live embeds of your actual work, keep a journey dashboard, and share your story in one permanent place. Includes a CLI for shipping from the terminal, roadmaps, collections, and a weekly "What Shipped This Week" digest. Free forever, built for operators-of-one who ship in public.

The web application framework that powers this entire directory - convention over configuration, batteries included.

:circus_tent: An open source forum/community system based on Rails, developed based on Ruby China.

RSpec support for Ruby on Rails, providing request, controller, and view specs alongside Rails-specific matchers and generators.

Generate Entity-Relationship Diagrams for Rails applications

FriendlyId is the “Swiss Army bulldozer” of slugging and permalink plugins for ActiveRecord. It allows you to create pretty URL’s and work with human-friendly strings as if they were numeric ids for ActiveRecord models.

Metasploit Framework

Kanban board tool from 37signals for tracking work visually across a team, built with the same simplicity ethos as their other products.