GitHyp is described as 'was created by HypTrain Technology, LLC in January 2015 to collect and compile data from various gaming sources'. There are four alternatives to GitHyp, not only websites but also apps for. The best alternative is Steam Database, which is both free and Open Source. Other great sites and apps similar to GitHyp are Steam Charts (Free), Steam Spy (Freemium) and hypetraq (Free).
Steam Spy is Steam stats service based on Web API provided by Valve and cool idea of Kyle Orland from Ars Technica. Steam Spy automatically gathers data from Steam user profiles, analyzes it and presents in simple, yet beautiful, manner.