Rviewer - We are developers who take care of screening and evaluating coding skills so you can stick to hiring
Uptodown - Uptodown is a mobile app and website that lets you download games and apps to users on most of the major platforms.
AppsHive - Curate your app according to Subcategories, Profession, and Location.
APK Pure - Download apk for Android with APKPure APK downloader. NoAds, Faster apk downloads and apk file update speed. Best of all, it's free
Onbench.de - Find Development Team You Search For
F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.