MERCS Miniatures have started an open beta for their new sci-fi ruleset.
From their website:
Open Beta for MERCS has started.
Only members of the MERCS forums can see the beta-forum. If you can’t see the forum and are a member, post here. We will rectify each problem as quickly as we can.
If you can’t see the Beta forum, you need to become a member. Join today; service guarantees citizenship.