Companion Gadgetroch Fork: personal fork of Companion Drones for Factorio 2.1. Adds the /companion command to hand out a build/defend drone when you join a server mid-game. See mod description.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
Factorissimo adds factory buildings to Factorio. Place them down, walk in, build your factories inside! Now updated for space age!
Mods introducing new content into the game.