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)
MusicZen - mp3 file organizer
i-FunBox - General file management software for iPhone and other Apple products
Harmony Music Player - Music player with sleek interface & cloud compatibility
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.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.