CKM client via web services and command line tool

Uses inotify/kqueue on supported platforms to avoid polling latency and overhead

A ruby CMS...

Poly is a Ruby CMS with smart asset compiling and much, much more.

uhwm is a minimalistic tiling and stacking window manager for X. It shares some similarities with dwm and wmii, but is written in ruby so you can configure and extend features directly with ruby code.

Guard / Listen TCP server to publish filesystem events to guests.

Vagrant is a tool for building and distributing virtualized development environments.