What are some alternatives?
When comparing Dotabuff and Steam Charts, you can also consider the following products
Tracker.GG - Track user stats from CSGO, Destiny 2, COD
Steam Spy - Steam Spy is Steam stats service based on Web API provided by Valve and cool idea of Kyle Orland...
Idle Master - Idle Master is an application that automatically idles your Steam games to extract all your available Steam Trading Cards. The application finds the games you have drops remaining in until all of your trading cards are in your inventory.
World of Tanks - World of Tanks is an Addictive, Action, Massively Multiplayer Online (MMO), Browser-based, and Tank Combat video game developed and published by Wargaming.
GameHub - Unified library for all your games.
hypetraq - Find out the most watched video games on Twitch and most played video games on Steam right now!