Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

Vim - the text editor - for Mac OS X

A fast streaming JSON parsing library in C.

A streaming JSON parsing and encoding library for Ruby (C bindings to yajl)

Very low footprint DOM-style JSON parser written in portable ANSI C

Let's you connect your laptop to the iPhone to surf the web.

The Objective-C HTTP library that Apple should have created, seriously.

DEPRECATED, moved to

Ruby Tagger tools including a Rule-Based Part of Speech Tagger based on Eric Brill's Work with the BROWN corpus

arcade sounds and chiptunes for ruby and c

Mimic xAuth over OAuth

Japanese Dependency Analyzer