SharpMud is a MUD server Framework written for .NET 2.0 in 100% C#. Provides an applcation layer that allows for MUD developers to focus on gameplay, not server mechanics. See the website for more information, including project status and direction.
SWAL is a program that can launch as a service (or standalone) and monitor other services and control other programs. Written in C++ and might have some .NET components (planning on a linux port)
A C# .net VT/Telnet terminal emulator. The project is still very much in development but the Terminal is quite useable and fairly tolerent. It requires a c# 2 compiler. If anyone has taken this project any further, I'd love to see the results.
The newest version of SecureTerminal has been developed based on PowerShell of Microsoft. We provided the SSH and telnet cmdlet, also with a winform GUI application implements PSHostInterface and PSHostRawUserInterface