1. RustsbiRISC-V Supervisor Binary Interface (RISC-V SBI) implementation in Rust; runs on M-mode; good support for embedded Rust ecosystem
2. emu6Multi-arch instruction set simulator that is 6666. Contributions welcomed!
3. w806-pacunder development: community SVD file, peripheral access crate in embedded Rust for WinnerMicro W800, W801 & W806 chip
4. xuantieLow level access to T-Head Xuantie RISC-V processors