Braiins OS is the very first fully open-source, Linux based system for cryptocurrency embedded devices. It's developed by Braiins, the company operating Slush Pool. With Braiins OS, you know exactly what is running on your device, have the ability to customize it, and enjoy significant power savings and performance improvements.
Braiins OS is currently available for Antminer S9 and DragonMint T1 with support for more devices to come. The most up to date factory transitional firmware image is always available in the repository, along with the relevant quick start guide.