This started when one of my friends said I couldn't possibly make a full blown video game in Java, and know I have made Minecraft in Java and it consists of an inventory, blocks, and more!
Libanvil is a C library for manipulating Minecraft world data, designed to be as simple and efficient as possible. It provides full read and write support for region data in the Anvil file format, with support for other game files planned. It includes APIs for both low- and high-level access.
Decodes the login credentials stored by the minecraft launcher
This simple application written in java decodes the login credentials stored in the file named "lastlogin" in your minecraft folder.
DEPRECATED AFTER MC 1.6