Gnash - GNU Flash movie player

Gnash is the GNU SWF movie player, which can be run standalone on the desktop or an embedded device, as well as as a plugin for Firefox and all other Geeko based browsers, Chrome, and Konqueror. Gnash can switch at runtime between the Cairo, OpenGL, and AGG renderers. Media handlers could also be switched between FFmpeg and Gstreamer.

Gnash works with 100% of all YouTube videos. It is fully compatible with the Adobe Flash player.