Aptoide - Aptoide is a third party replacement for the traditional Google Play Store.

AppAddict - AppAddict is an online tool that allows you to download third-party apps on your devices without rooting or jailbreaking your devices.

Ninite - Ninite is the easiest way to install software.

vShare - vShare is an app through which you can download apps, games, wallpapers, and ringtones for your Android and iOS devices.

Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.

Kuaiyong - Kuaiyong brings features to install free as well as paid apps on Apple devices without jailbreaking them.