Reign for Spofity allowed you to control a local Spotify instance from any device on the same local network. It was a free app and the source code is available on GitHub.

The Spotify remote for friends, colleagues, housemates and yourself that works in any browser.

Controlling Spotify from a browser through Reign

Ready for Yosemite

October 2014

Reign in your Bonjour bookmarks

August 2014

Mavericks

October 2013

Alfred 2 workflow for Reign

August 2013

Reign v1.0.3

January 2013

Reign is now available

August 2012