Trace - Visualized Node.js monitoring
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.
AdGuard - Surf the Web Ad-Free and Safely. Shield up!
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
AdBlock - Ad blocker for Chrome, Safari and Opera on desktop and Safari for iOS devices.
APKMirror - Android Market and APK Downloads