A Ruby-based project management system with support for wiki, bug tracker and sync with version control

the basics of creating a GTK+2 theme for use with GNOME 2.2 and above

A Potato-Powered Web Server

Pyjamas does python code to javascript translation. This implies that pyjamas code will never be fully python compliant, but it aims at being close to the real thing. You'll need to be aware of what it does and does not support, and how to access features of python in a way that works with pyjamas.