A collection of mods aimed to mimic vanilla with a bigger variety of things ranging from robots to drills to aliens.
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!
Armors or armor equipment.
Map generation and terrain modification.
Furnaces, assembling machines, production chains.