GitHub repository: tweep/FastLED
Primary language: C++
Description: The main FastLED library (successor to FastSPI_LED).  Please direct questions/requests for advice to the g+ community - http://fastled.io/+ - we'd like to keep issues to just tracking bugs/enhancements/tasks.  *NOTE* library work is currently on hold - see https://plus.google.com/102282558639672545743/posts/JQKcujjaXXC for details.