- zeus 3,009 Boot any rails app in under a second.
- matcher 130 Intelligently searches through a list of file names for the one you were probably looking for.
- monkeysupport 102 MonkeyPatching Rails with C since 2009.
- mongosphinx 75 A full text indexing extension for MongoDB using Sphinx. (Not maintained)
- webconfig 39 Tool to generate complex configuration files from simple syntax, especially with multiple different servers.