Building underground belts and pipes on space platforms each require a special new technology.
Small changes concerning balance, gameplay, or graphics.
Transportation of the player, be it vehicles or teleporters.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Map generation and terrain modification.
Creative Mod doesnt see and unlock this mod's tech when it unlocks all other tech in its cheat mode and Discovery Tree doesn't see it too and you are unable to research it.