P4.Net is a Perforce API for the Microsoft .Net Common Language Runtime (CLR). It can be used from any managed language including C#, VB.Net, J#, Powershell, IronPython, and MSBuild.
A source code and snippet library plugin for SharpDevelop and Visual Studio with a code to HTML formatter which uses plugins to connect to data sources for storage. Other features will include search and web publishing as well as NDoc based commenting.
hostingstar.com.au's open source software.
To be used primarily for dotnetnuke modules, a cross platform backup system, .net (dotnet) user controls, 3d plugins and many other bits and pieces.