Black Mesa is a third-party total conversion modification for Half-Life 2 and a remake from the 1998 video game Half-Life. The ultimate goal of the mod is to recreate the original Half-Life from the ground up, using the advanced capabilities of the Source engine to create a new and more engrossing in-game world.

Chain Studios is a Russian development studio, that creates mods for Half-Life

City 17 is a Russian review site for single player maps and mods.

Combine Destiny is the home of the Combine Destiny 1 and 2 mods for Half-Life 2.

CommunityFortress.com is a fansite for Team Fortress 2. They provide coverage of competitive leagues and tournaments with a focus on personal interviews with the best in the TF2 community. In addition to their coverage, they host TF2 forums geared for the competitive player, a competitive TF2 wiki, and have community writers contributing TF2 predictions.

Counter-Strike Brasil: Um dos maiores portais de Counter-Strike do Brasil, conteúdo, informação, interatividade, palavras que sempre andam junto com a competência e comprometimento em ajudar o próximo.

Counter-Strike HQ covers the latest news, articles, skins, maps, sprites, and everything else Counter-Strike you can imagine. It is also perfect for the third party developers, since you can submit your work (maps, skins, etc) for the entire community to download free.

Creative Mapping is a Dutch mapping community.

Having been around for nearly nine years, CS-Nation continues to be the leader in providing Counter-Strike related news to the community. Gamers from all over the world can learn about the latest updates to Counter-Strike 1.6, Counter-Strike: Source, Condition Zero, and all future sequels in the series.

“Destructive Studio is a team of mappers that pride themselves in their work by producing new and creative maps for all different games and categories. Our Forums helps to aid mapper by giving them a place where they can post their projects and receive input from other forum members and they are able to see [...]

DuctTape is a development integration and project building tool for Source Engine modders. Use it to: Build outdated files with the press of a button Eliminate the need to work with batch files Visually create script files, instead of typing them Create and compile an SMD into an MDL Build soundscape files using an intuitive [...]