VLC Media Player is a most popular media player and is my favorite for listening and watching movies. The upcoming version of VLC Media Player 1.1 will support firefox style extensions.

Now from VLC Media Player 1.1, users will be able to write their own plugins for VLC.

Download VLC nightly builds

VLC nightlybuilds is an unstable version, so there is no support available for this. So, you download VLC Media Player 1.0 here.