Superpeer Channels - Beautiful livestreams with your subscribers

Steam Charts - An ongoing analysis of Steam's concurrent players.

Couchmates - Transforms your roommate into your personal couch concierge

Steam Database - This tool was made to give better insight into the applications that Steam has in its absolutely huge database.

Cohort - Find the people you need through the people you already know

Steam Spy - Steam Spy is Steam stats service based on Web API provided by Valve and cool idea of Kyle Orland...