TinyGo brings the Go programming language to embedded systems and to the modern web by creating a new compiler based on LLVM. TinyGo has support for over 100 different boards and devices
ATTINY85 is a 8-bit processor with only 8k of RAM. "DIGISPARK" is a ATtiny85 based microcontroller based development board which is similar to the Arduino UNO, only cheaper, smaller, and a bit less powerful.