MCEdit: World Editor for Minecraft
Minecraft tools.zip
MinecraftToolsMac.zip
Automatic text to command minecraft book generator: import text file.
Simple, component-based game engine based on Ogre and PolyVox,
Diggo a 2D version of minecraft made with Pygame!
Minecraft clone written in C using modern OpenGL
A minecraft quiz
Gameserver Installer/Startscript for HL1 and HL2 Games
Fast Minecraft Classic Server
MCManager - The ultimate Minecraft content manager.
A minecraft clone thing on the cube 2 engine
The map viewer application for Greencubes minecraft server