I do Source Mapping but mostly for Portal and Portal 2. I'm the main mapper of Portal: Project-Beta, Blue Portals and I'm also a mapper for Portal: Alive and Kicking. I do mapping for other Source games such as Half-Life 2 also.
Miscellaneous compiled developer maps. Install this under the custom folder.
This is an addon to Portal: Project Beta that sets the project back to September 2006; what people saw during the X06 Expo.
Tornate is a small mappack that consists of 4 maps. Each map at one point was an editor map, then the maps were totally redone in Hammer. Tornate also...
A Little Higher is a mappack for Portal 2 that features the Repulsion cube, a cube that fires Repulsion Gel. Original release date: July 7th, 2011.