The data journalism platform with built in training

See Canada's census data on a pretty map

Open source large document set visualization platform

JavaScript Vector Library

Enter a bicycling or driving route and see where to watch out.

See what your last name has to do with everything

Compass is a Stylesheet Authoring Environment that makes your website design simpler to implement and easier to maintain.

Google Maps, for servers

Raw image processing library

LibRaw is a library for reading RAW files from digital cameras

LibRaw is a library for reading RAW files from digital cameras

raw image decoder library

Rails 3 port of laserlemon's venerable vestal_versions.

Bodacious JavaScript gems

Matches files using Dir.glob... and so much more

Manage and bundle CSS and JavaScript files

AMQP client implementation in Ruby/EventMachine

github fork of RInotify: A Ruby wrapper for Linux's inotify (by Rob Merrell)

A fast code profiler for Ruby

HTTP server which accepts HTML and outputs PNG representations of it

Automatically adds HTML class attributes to partial HTML code

HTML Abstraction Markup Language - A Markup Haiku

Make images out of HTML strings

HTTP proxy with powerful mangling capabilities

Whitelist-based Ruby HTML sanitizer.

Glob-syntax pattern matching in Ruby

A swift, liberal HTML parser with a fantastic library

Johnson wraps JavaScript in a loving Ruby embrace.

A pure-JavaScript browser environment.

Fixtures aren't fun. Machinist is.