Most of the things you need to get started with LC can be found on the lckb.dev forum, also join the Discord server to talk about development
Server Installation (linux)
LC Source Build (docker)
LC Update Optimizer - removing duplicated files from zips (ex. if you have Bin/Engine.dll in 1.zip - 10.zip, it will delete it from 1.zip - 9.zip)
Milkshape 3D - 3D modeling program supporting Serious Engine SKA
If you are making some improvements, you should share here, thanks.