Plone is powerful and flexible. It is ideal as an intranet and extranet server, as a document publishing system, a portal server and as a groupware tool for collaboration between separately located entities. At http://plone.org/
Visual Python is the full-featured Python development environment plug-in for Visual Studio .NET. Key features include a syntax-aware editor for faster Python programming; a fully integrated debugger for increased code quality and robustness; and the new Interactive Window. Seamless integration with the Visual Studio .NET environment offers all the familiar features, including support for SCC-compliant source control, a class browser, and project management.
ActivePython is ActiveState's quality-assured binary build of Python, available for Linux, Solaris and Windows. As part of ActiveState's support for Python, ActivePython binary packages are provided free to the community.