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 Use it to: Build outdated files with the press of a button Eliminate the need to work with batch files Visually create script files, instead of typing them Create and compile an SMD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 [...]

Games On Net is a gaming portal for the Austrailian ISP Internode.

Garry’s Mod.de is a German portal focused on Garry’s Mod.

“Official website set up to accomodate Garry’s Mod related downloads without waits.”

Sammy Servers lists servers to play Zombie Master and a few other mods and games.

Steambans.com is a global banlist/watchlist made for the Steam technology from Valve. All bans that are accepted will enter a database which then is used to protect all servers under their supervision.

Steam Community and News Portal

SteamCard is a simple way to display your stats from the Steam Community, just like a Live! Gamercard. SteamCards are just PNG images, which means you can embed them into forums, signatures etc. Different styles of SteamCard are avaliable so you can stand out from the crowd.

TotalHL.hu is a Hungarian Half-Life portal.

Tweak Guides provides incredibly useful information and tips on how to get the most out of your hardware and games.

It might seem strange to add Wikipedia to this directory but it contain some very useful information for Valve’s fans. The sections on the games are very detailed. It is also available in many langauges.