Phoronix: One Year Later, Open-Source Doom 3 Is Moving Slowly

While this week marks one year since the Doom 3 (id Tech 4) game engine was open-sourced under the GPL, there still isn't too much adoption by open-source game developers. The few forks of the id Tech 4 code-base also aren't seeing frequent activity...

http://www.phoronix.com/vr.php?view=MTIzMjU