Muffcast
An alternative to Chromecast working with every website with HTML5 Video/Audio elements by just playing HTML5 video/audio on other Firefox instance in full-screen.
This is done due to two Webextensions, one for the server instance and one for clients to control the server.
git.bstly.de/lurkars/muffcast-client - repository for client source code
git.bstly.de/lurkars/muffcast-server - repository for server source code