The Alliance mod comes now to Sins of a Solar Empire games with all the space units which you can find in mod from the Star Wars Empire at War Force of Corruption.
Very good news! Vol'takes has been approved by the community and it will be part from the Steam catalog.
Steamcommunity.com
Now we can wait a early access to the game as we can see with many other Steam titles. They told about release versions, chapter to chapter from the campaign added in the game.