A DNS utility with unique features.

TinTin++, aka tt++, is an extensible console MUD client.

A scriptable texture packing program

Tool that interprets scenarios. Similar to Apache Ant and NAnt. Written in C.

Nearly Realtime RPG with Flying written in C and C++, with a scripting API in... either Lua or Angelscript, I havn't decided.

Palantir is a Lua scriptable, portable, tiny reverse shell, using a human readable protocol written in C and Lua.