Gotify · a simple server for sending and receiving messages
a simple server for sending and receiving messages
notification
blink(1) – the USB RGB LED notification light
blink(1) is the world’s best indicator light, designed to give you glanceable notice of anything on your computer or the internet.
BlinkStick - Smart LED controllers with integrated USB communication
BlinkStick is a smart USB based color LED controller compatible with Windows, Linux, OS X and Raspberry Pi