I build a lot of unnecessary spaghetti.
A bunch of my favourite QOL/helpful/interesting mods
Collections of mods with tweaks to make them work together.
Transportation of the player, be it vehicles or teleporters.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Trains are great, but what if they could do even more?
Entities which interact with the circuit network.
Change blueprint behavior.
Play it your way.