C# application with primary purpose of farming Steam cards
Patching, replacing and decorating .NET and Mono methods
JavaScript library for creating web-based terminals
A MUD client for Android, iOS, Linux, Mac OS X and Windows
Console based rcon client for minecraft servers.
Tintin++ scirpts for MUD (mmorpg)
A simple telnet (and possibly SSH) server
A modern "graphics" API for text-based applications