NFop is a Formatting Objects Processor (FOP) for XSL-FO that runs on the .NET Framework. It is a port from the Apache XML Project's FOP Java source to .NET's Visual J#. This makes it great for pure .NET reporting modules.
An SSH client library for .NET written in C#
A medical information system for Windows-based systems (95-XP/CE/PocketPC) based on Open Source platforms