GtkRadiant is a very old project. There have been many versions over the years, and lots of contributors. In the early 2000's it supported many id Tech 3 games, and even some id Tech 4 games. Responsibilities and interests have shifted a lot around this project, but I think most people will recognize me as the person most consistently involved with the editor over the years.
Now that I have left id, I had some time to sit back and look at all the games based on id Tech that I enjoy playing, and at the level design community around them. I figured it would make sense to resume some maintenance efforts for the benefit of those projects.
We are a small group of developers involved in this 'rebirth' of GtkRadiant, and in the spirit of the above I'd like to call out a few rules that we should try to stick to for this project:
Stability over new development
A small subset of well supported games
Support more advanced feature development and forks
Provide an archive of some of the older releases of GtkRadiant
But only the following games are supported at the time of writing:
Quake III Arena
Wolfenstein: Enemy Territory