VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
GoodBarber - GoodBarber is a mobile app creation platform.
foobar2000 - An advanced freeware audio player for the Windows platform.
Dropsource - Mobile development platform for building native iOS & Android apps
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
Bizness Apps - Create your own app or become a reseller and build apps for others