Third Party Steam Sites

List of all the third party Steam sites that I know of

Site name w/ link	Description
SteamDB	Tracking all sorts of nerdy stats
SteamCharts	Tracks concurrent player counts
SteamSpy	Tracks various stats, but take owners stats with a large dose of salt
SteamReviews.app	Tracks Steam reviews
SteamReviews.arestless.com	Tracks Steam reviews by hours played
SteamPeek	Similarity algorithm
SteamScout	Tracks Steam reviews / locales / etc
GameDB	Various Steam stats & metadata
GameStats	Various Stats & metadata
SteamPrices	Historical Steam prices
IsThereAnyDeal	Historical Sale & Price data
What's on Steam	Feed of new releases on Steam
Steam top 50	Steam top 50, as seen on ClarkTank
Steam 250	Charts top-rated game using fancier algorithm than Steam, also hidden gems
SteamLikes	More Like This stats
PlayTracker	Stats and graphs for various platforms. Not sure of methodology
Steam Games Released chart	Spreadsheet of # of Steam Games released
SteamHype	Tool for filtering and inspecting upcoming games
Steam Marketing Tool	Tool for estimating size of a given kind of game
SteamCompanion	Adds some plugin services
SteamTools	Various tools
SteamBans	Maybe a log of bans? Broken atm
ClarkStats	Some follower stats for ClarkTank, might be abandoned
SteamCardExchange	Something about exchanging trading cards maybe?
SteamGridDB	Download & share custom video game assets and personalize your gaming library
SteamGrid	A standalone fire-and-forget program to enhance Steam's grid videw & Big Picture
AugmentedSteam	Browser plugin hooks data from IsThereAnyDeal
ProtonDB	User reports on Valve's Proton (tool for running Windows games on Linux/SteamOS)
DRM-Free Wiki	Wiki of DRM free games on Steam
ICO Steam Newsletter	Newsletter & sales chart

Actually is Steam

Site name w/link	Description
Top Wishlists	Top wishlists
Steam Labs	Experimental features

Non-Steam

Site name w/link	Description
gamstat	Playstation games stats
HorseDrawnGames - stores	Stats for various console stores