xacc.ide is a opensource IDE aimed at mainly .NET development. It has a code editor written in 100% C# code, which is faster than most commercial offerings.
An interactive, Lisp-like language for .Net scripting and development, having deep .Net integration, sharing type system, GC and other runtime services etc., with transparent access to .Net w/o a FFI or wrappers.
Labyrinth is a complicated game for two or more players. They walk in dark Labyrinth, searching for treasures, by passing moves to server and getting replies.
LispSharp is a fully compiled lisp implementation for the .NET Framework. It uses a Lisp dialect similar to ISO Lisp, it has a Command-line toplevel compiler with Read Compile Print Loop.It references any .NET DLL and produces standard .NET assembly.
Collection of simple testcases for a lot of programming languages.
Foil provides a protocol and code to interface between Lisp and instances of runtimes such as the JVM and CLR, offering comprehensive, safe, dynamic, efficient, and portable access to Java and CLI libraries from Lisp, with an emphasis on working in Lisp