Mini Six — The open source, free gaming system we’re using. It is very streamlined, but provides an excellent starting point for new GMs or for those looking to try out the essence of the system.
Open D6 — Does Mini Six seem a bit too light-weight for your tastes? Before West End Games closed shop, they released their D6 system into the wild as Open D6. There are more parts to this, making it easy to customize to fit whatever genre game you’re looking to play.
What is D6 Gaming? — Wicked North Games has put together a clear little run-down to explain how the essential D6 system works.
Microscope — A gaming system that is intended to build history. It’s an excellent tool to use when building your world.
D6Online — An online community devoted to the use of Open D6 and its various spin-off products.
The Rancor Pit — This forum focuses particularly on the venerable Star Wars RPG from West End’s heyday.