CGEN is a framework for generation of CPU-related tools. It includes the most important applications, including the assembler, disassembler, and simulator generators, and a handful of CPU descriptions.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.