Based on our record, Steam Spy seems to be a lot more popular than ShotTracker. While we know about 25 links to Steam Spy, we've tracked only 1 mention of ShotTracker. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://stathead.com/ and https://shottracker.com/ are good to but they are subscription based. Source: about 3 years ago
If you still want an estimate you can check on Steam Spy. Source: about 1 year ago
I think Valve will shut it down once it learns about the monetization. AFAIK that is what happened to https://steamspy.com/ when they introduced paid subscription tier. - Source: Hacker News / over 1 year ago
If you still want to see numbers, you can try with Steam Spy with VN available on steam. Most of the developers say that those numbers are false. Source: over 1 year ago
Research popular game genres, for example on https://steamspy.com, and find a genre that currently sells well. Source: almost 2 years ago
Steam Spy - must have tool for anyone who wants to get some data about Steam games. Source: almost 2 years ago
Steam Tools Hub - A set of Steam related WebApps built around trading cards, emoticons and backgrounds.
Steam Charts - An ongoing analysis of Steam's concurrent players.
Steam Database - This tool was made to give better insight into the applications that Steam has in its absolutely huge database.
GameAnalytics - Free n' Fast Game Analytics
VG Insights - Providing video game industry data, analysis and research. Showing games trends and sales estimates.
Augmented Steam - Enhanced Steam fork by IsThereAnyDeal.