It depends on how you play, but these are all the races that could possibly join the New Alliance of Free Stars in Star Control 2, one of the best games ever made. It's severly underrated, so if you've never played it, I highly recommend it.
From left to right, top to bottom are: A Chmrr, a Thraddash, a Pkunk, a Human, an Utwig, a Shofixti, an Ariloulaleelay, a Yehat, a Supox, a Syreen, a Spathi, an Orz, and the Zot-Fot-Pik.