- wurfl-lite 8 A lite, easy to use, Ruby implementation for accessing the WURFL database of capabilities and features for mobile devices
- evilpoison 4 A non-wimp window manager for X11 based loosely on EvilWM and RatPoison
- wurfl-lite-middleware 4 A Rack Middleware implementation of wurfl-lite
- Remarkably 3 a simple Ruby library for generating XML, HTML and CSS.
- rupov 2 A Ruby library for creating PovRay scenes using Ruby