First off as a rather fast follow up on the last post:

• New version of Alien Arena out, boasting a 300% increase in render speed
• Small, bugfix release of War§ow out now

Otherwise, as previously mentioned, Garage Games has now also released their 2D game framework under the MIT license:

Their 3D game engine also saw some nice updates lately, however sadly their crowd funding push to port Torque3D to Linux fell (not totally unsurprisingly) short of their 30,000$ mark (with about 10,000$ pledged).