🌐 Jekyll is a blog-aware static site generator in Ruby

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.

A library for setting up Ruby objects as test data.

Determines which markup library to use to render a content file (e.g. README) on GitHub

Use Webpack to manage app-like JavaScript modules in Rails

EventMachine: fast, simple event-processing library for Ruby programs

Potentially the best command line gister.

A pure Ruby code highlighter that is compatible with Pygments

~/.js

Logic-less Ruby templates.

play ► — your company's dj

A very fast & simple Ruby web server

Ruby process monitor

**Grit is no longer maintained. Check out libgit2/rugged.** Grit gives you object oriented read/write access to Git repositories via Ruby.

Generic interface to multiple Ruby template engines

Online MySQL schema migrations

like strace, but for ruby code

Unofficial Unicorn Mirror.

the opposite of roff

Fixtures aren't fun. Machinist is.

CI Joe is a fun Continuous Integration server. Unmaintained.

Rack::Test is a small, simple testing API for Rack apps.

(offically at github.com/sinatra/sinatra) Classy web-development dressed in a DSL

reloading rack development server / forking version of rackup

Real HTTP Caching for Ruby Web Apps

Web interface for the grep and tail -f unix tools. Useful for real-time log analysis. Remotely related to splunk

Tutorial + Cookbook

A simple TCP routing proxy built on EventMachine that lets you configure the routing logic in Ruby.

Dump and load relational objects between Ruby environments.

A lean, agnostic, flexible file-change watcher, using OS X FSEvents.