Terra Palus by Lukah, updated for Factorio 2.1: a hybrid swamp moon of Gleba with both biters and pentapods. Mine Palusium ore and use UV light to freeze those that would see you destroyed.
Mods introducing new content into the game.
New places to build more factories.
New ways to deal with enemies, be it attack or defense.
Map generation and terrain modification.
New Ores and resources as well as machines.
Things related to oil and other fluids.
Changes to power production and distribution.