LedFx
LedFx is a network based LED effect controller with support for advanced real-time audio effects! LedFx can control multiple devices and works great with cheap ESP8266 nodes allowing for cost effectvice syncronized effects across your entire house!
For installation instructions see the documentation.
Demos
We are actively adding and perfecting the effects, but here is a quick demo of LedFx running three different effects synced across three different ESP8266 devices: