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

Wraith — A responsive screenshot comparison tool

Generate custom icon webfonts from the comfort of the command line.

Copy me for your team.

A/B testing framework

Compass.app helps designers compile stylesheets easily without resorting to command line interface

Fire.app is a HTML prototyping tool with Sass/Compass/ERB/Haml/Slim/Markdown support