client/server libraries for UPnP -- executables
Mono utilities
MSBuild-compatible build system for Mono
simple web server to run ASP.NET applications - default version
C# Parsing and Refactoring Library - Sample programs
Package manager for NuGet repos - executable
high-performance JSON framework for .NET -- NuGet package
Unit test framework for CLI - NuGet package - Framework
Unit test framework for CLI - NuGet package - Mocks
Unit test framework for CLI - NuGet package - Runners
Structured Storage Explorer
a command line client for Mono's soft debugger
XML Schema Definition (XSD) diagram viewer