Manyverse - A social network off the grid
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Public - Group chats.
foobar2000 - An advanced freeware audio player for the Windows platform.
Wire - Private & Secure Messenger
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.