VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
SpotiMy - Play/Pause and Next/Previous functions for Spotify directly on your Menu Bar!
foobar2000 - An advanced freeware audio player for the Windows platform.
Muzzy - it’s a tiny and gorgeous iTunes companion that lives on your menu bar. For Mac OSX, its free!
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.
Owlead - Grow your Twitter with valuable followers, effortless