Well ive been a member of the community for a while and tried my hand at various SDK's and modding tools but have never quite picked it up due to a lack of time and partly motivation. I have an understanding and can create maps for most games but im no modeller or 2d artist that shits hard :P
The Unreal Tournament 3 Developers Group is for teams that have chosen Epic's new Unreal game to base their mod on.
unreal tournament 3 mod developers
For people and teams developing mods and games with Valve's Source engine.
The CE2Devs Group gathers teams and individuals that have chosen Crytek's next-generation engine to power their upcoming Map, MOD or Game.
cryengine 2 developers
This is a seperate group to Bethesda Softworks as at the minute it seems that there isnt an oblivion modding group, so it was decided that this one would...
oblivion mods/total conversions