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
AppAgg - Application Aggregator
APKMirror - Android Market and APK Downloads
AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
Mobango - Mobango is an alternative Android market.
Fnd - Browse Apple App Store and iTunes on the Web