base64pp is a GNU C library that implements base64 encoding and decoding.
ActiveRecord Connections Magic (slaves, multiple connections, etc)
A simple aggregate function (UDAF) for Hive -- like max() but it allows you to refer to additional columns in the maximal row.
Simple background loops framework for ruby
Apache httpd module that efficiently serves uncompressed .zip files.
Preload and fork ruby interpreter for fast script startup
Maps subl:// URL schemes on OSX to SublimeText 2