Conjure items from nothingness using energy and a bit of magic. Or sufficiently advanced technology, who really knows?
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
New Ores and resources as well as machines.
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
Just a small error I saw in the tech name for unlocking voidcraft flamethrower ammo. It says 'Unknown key: "technology-name.s6x-void-flamethrower" so I'm guessing something is spelled wrong in the code.
Thanks, I've fixed this for the next version.