Ninite - Ninite is the easiest way to install software.
Beyond Compare - Beyond Compare allows you to compare files and folders.
Aptoide - Aptoide is a third party replacement for the traditional Google Play Store.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.