There are 4 repositories under lithtech topic.
NOLF 2 Modernizer aims to unlock resolution support, restore multi-player support, and fix a few bugs here and there.
Blender addon for importing and exporting Lithtech 2.1 models
Blender Addon for importing *.dat map files from the Lithtech game engine
LT1 renderer interface reverse engineering
A Kaitai Strcut template for Lithtech DAT map file format (*.dat)
Tool/s to create LithTech 1.0 compatible music (.dls, .sty, .sec)
This is documentation of publicly released Aliens vs. Predator 2 (AvP 2) custom maps and its attributed authors.