RT-Thread is an open source IoT real-time operating system (RTOS).

C++20 RISC-V RV32/64/128 userspace emulator library

Speech-to-text, text-to-speech, and speaker recongition using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, Raspberry Pi, RISC-V, x86_64 servers, websocket server/client, C/C++, Python, Kotlin, C#, Go, NodeJS, Java, Swift

Renode - Antmicro's open source simulation and virtual development framework for complex embedded systems

Functional verification project for the CORE-V family of RISC-V cores.

The CORE-V CVA6 is an Application class 6-stage RISC-V CPU capable of booting Linux

Instruction Set Simulator for RISC-V RV32I in C++

A simple template for building a portable, Limine-compliant kernel in C.

RISCV64 assembler with a powerful macro preprocessor

The kernel of CargOS

Open-source high-performance RISC-V processor

RISC-V rv32i implementation on Tang Nano 9K

xv6 for RISC-V in Rust

The Boot and Runtime Services (BRS) specification provides the software requirements for system vendors and Operating System Vendors (OSVs) to interoperate with one another by providing expectations for the Operating System (OS) to utilize in acts of device discovery, system management, and other rich operations provided in this specification.

A secure embedded operating system for microcontrollers

RISC Zero is a zero-knowledge verifiable general computing platform based on zk-STARKs and the RISC-V microarchitecture.

custom riscv embedded profile, replacing volume II (aka riscv privileged)

Network components (NIC, Switch) for FireBox

Spicing up the first and only EU FPGA chip with a flashy new board, loaded with a suite of engaging demos and examples.

Departure Board at Home, to see when the SL buss, tunnelbanan, pendeltåg, och färjor will depart. A simple implementation with XIAO ESP32-C3 and a ST7735 screen.