The Visualization Toolkit (VTK) is an open-source, freely available software system for 3D computer graphics, image processing and visualization. VTK consists of a C++ class library and several interpreted interface layers including Tcl/Tk, Java, and Python.
Zwiki is.. a powerful, innovative, user-friendly wiki engine based on the Zope 2 platform. This project has been developed since 1999 by Simon Michael and contributors around the world, powers many Zope and non-Zope-related wikis, and is free software released under the GNU GPL . Please explore the site, and enjoy the software. Your questions, comments, patches and donations are most welcome!
Eric is a full featured Python and Ruby editor and IDE, written in python. It is based on the cross platform Qt gui toolkit, integrating the highly flexible Scintilla editor control.
Codeville is a distributed version control system. It began with a novel idea for a merge algorithm and has grown from there. It is designed to be easy to use and scale from small personal projects to very large distributed ones.
Python is a dynamic object-oriented programming language that can be used for many kinds of software development. It offers strong support for integration with other languages and tools, comes with extensive standard libraries, and can be learned in a few days. Many Python programmers report substantial productivity gains and feel the language encourages the development of higher quality, more maintainable code.