This site covers a lot of FPGA projects: https://opencores.org/projects https://opencores.org/projects Also interesting: https://openrisc.io https://openrisc.i

This site covers a lot of FPGA projects: https://opencores.org/projects https://opencores.org/projects Also interesting: https://openrisc.io https://openrisc.io In general, at one time the full Sun Sparc Processor was available to developers (complete with transparent encrypted memory manager unit), but forget about finding the source these days. Also, it is a bit overwhelming for 1 person to cover. =)