AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
i-FunBox - General file management software for iPhone and other Apple products
Cydia - An alternative app store for jailbroken devices.
iExplorer - iExplorer lets you easily transfer music, playlists, text messages, files and more from any iPhone, iPod, or iPad to a Mac or Windows computer and iTunes.