VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Codezero - Collaborative Local Microservices Development
foobar2000 - An advanced freeware audio player for the Windows platform.
LeadMD - LeadMD is the revenue performance consultancy that cuts through the BS by making your vision actionable and your outcomes measureable
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.
Sirius - An open-source clone of Siri from UMICH