MAtmos, a Minecraft mod.
MAtmos source code requires some custom libraries/classes found at https://github.com/Hurricaaane/MC-Commons/ (WTFPLv2).
The (net.sf.) PracticalXML library (Apache License) is also required to compile versions that include the XML expansion converter:
Requires a LiteLoader workspace. Before decompiling, make sure you have followed the instructions located at: https://www.assembla.com/code/liteloader/subversion/nodes/202/LiteLoader/trunk/README.md