Awesome
nand2tetris-icestudio
The Nand2tetris course, using icestudio for building hardware on Opensource FPGAs from the begining
Board used for the examples
Alhambra-II FPGA board with the AP-VGA shield
Project 01: Boolean Logic
Project 02: Boolean Arithmetics
Project 03: Sequential Logic
Project 04: Machine Language
Project 05: Computer Architecture