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
APKGrabber - Update Android apps without Google Play.
APKMirror - Android Market and APK Downloads
ScaffoldHub - JavaScript full-stack application generator. You generate it and the code is yours.
Aptoide - Aptoide is a third party replacement for the traditional Google Play Store.
Aurora - Download apks from Google Play Store