Star Wars: Interregnum is an upcoming mod for Sins of a Solar Empire: Rebellion that builds off of the highly successful Enhanced 4X Mod. Fleeing the unknown terror that is chasing the Vasari, the factions of Sins of a Solar Empire stumble on a temporary wormhole that takes them to a galaxy far, far away. The sudden arrival of armadas with trillions of refugees and thousands of warships between the events of Episodes 5 & 6 forever alters the Star Wars universe and plunges the galaxy into an unprecedented period of chaos and violence. Begun, a new conflict has.
Checkout ZombiesRus new "Sins Mod Manager" to help set up and switch between your favorite mod. It is particularly help for mods like E4X and Interregnum, as you can configure the minimods from within this little utility before launching the game. It will also retain your selections next time you choose to launch Interregnum.
You can find it here: Moddb.com