VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Bizness Apps - Create your own app or become a reseller and build apps for others
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!
foobar2000 - An advanced freeware audio player for the Windows platform.
Dropsource - Mobile development platform for building native iOS & Android apps