Nexus Extended Promethium Endgame by Karu_Kiruna, updated for Factorio 2.1 until the original has a 2.1 release: expands the promethium endgame with the planet Nexus, new production steps and resources.
Mods introducing new content into the game.
New places to build more factories.
New Ores and resources as well as machines.
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
