I know opencores.org, which seems to be similar (but I like the organization of the OpenCores site better to be honest). We made some small improvements to the

I know opencores.org, which seems to be similar (but I like the organization of the OpenCores site better to be honest). We made some small improvements to the Plasma CPU [1] (which uses a small subset of a MIPS instruction set) in a university project. [1] https://opencores.org/project/plasma https://opencores.org/project/plasma