RT-Thread is an open source IoT operating system.

PlatformIO is a professional collaborative platform for embedded development 👽 A place where Developers and Teams have true Freedom! No more vendor lock-in!

OS kernel labs based on Rust Lang & RISC-V 64

All CPU and MCU documentation in one place

The Ultra-Low Power RISC Core

opensouce RISC-V cpu core implemented in Verilog from scratch in one night!

Reko is a binary decompiler.

The Eclipse Embedded CDT plug-ins for Arm & RISC-V C/C++ developers (formerly known as the GNU MCU Eclipse plug-ins). The archive of previous plug-ins versions is also here, as Releases.

A graphical processor simulator and assembly editor for the RISC-V ISA

Renode - virtual development framework for complex embedded systems

SCR1 is a high-quality open-source RISC-V MCU core in Verilog

RISC-V Cores, SoC platforms and SoCs

An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more

RISC-V Assembler and Runtime Simulator

Self-hosting metacompiled Forth, bootstrapping from a few lines of C; targets Linux, Windows, ARM, RISC-V, 68000, PDP-11, asm.js.

Maxine VM: A meta-circular research VM

SweRV EH1 core

The RISC-V software tools list, as seen on riscv.org

为推广RISC-V尽些薄力

Mirror; Work-in-progress software-rendering Vulkan implementation

32-bit RISC-V system on chip for iCE40 and ECP5 FPGAs

RISC-V processor emulator written in Rust+WASM

RISC-V CPU Core (RV32IM)

Simple and lightweight source-based multi-platform Linux distribution with musl libc.

F# RISC-V Instruction Set formal specification

A simple RISC-V processor for use in FPGA designs.