Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
foobar2000 - An advanced freeware audio player for the Windows platform.
Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
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.