The PiStorm32 is a 32bit Open Source accelerator card for CommodoreAmiga computers, using the CM4 for Motorola 68000 CPU emulation, NVMe drive, graphics card available from AmigaOS among more things. It is however closed source until it has been brought up and is fully working, so no one tries to sell expensive paper weights based on a bad revision of the board.
Tweet about the board: https://twitter.com/Claude1079/status/1435253852064952326 Github project: https://github.com/captain-amygdala/pistorm