Espressif IoT Development Framework. Official development framework for Espressif SoCs.

Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are disabled. Please only use release tarballs from the QEMU website.

Xv6 for RISC-V

AirPlay and AirPlay 2 audio player

Jsmn is a world fastest JSON parser/tokenizer. This is the official repo replacing the old one at Bitbucket

cc65 - a freeware C compiler for 6502 based systems

FuzixOS: Because Small Is Beautiful

Read-only mirror of Trusted Firmware-A

A C Compiler that fits in the 512 byte boot sector of an x86 machine

USB host/device implementation using PIO of raspberry pi pico (RP2040/RP2350).

Very low footprint DOM-style JSON parser written in portable ANSI C

Automatic conversion of the NetBSD src CVS module, use with care. Please submit bugs/changes via https://gnats.netbsd.org

Emulation of ISA sound cards and CD-ROM on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS, Panasonic CD-ROM) with USB mouse/joystick support

Commodore 1541 emulator for the Raspberry Pi

A Macintosh II emulator that runs A/UX

USB keyboard/mouse to PS/2 interface converter using a Raspberry Pi Pico

perfect6502, a MOS 6502 CPU emulator that performs a simulation of the original NMOS 6502 netlist

Emulator for the Commander X16 8-bit computer

Arduino library for use with the OPL2 board (YM3812) and OPL3Duo (YMF262)

Bare-metal Raspberry Pi project that attaches to the Acorn TUBE interface and emulates many BBC Micro Co Processors

SIDKick -- the first complete SID 6581/8580-drop-in-replacement that you can build yourself

The HBC-56 (65C02/TMS9918A/AY-3-8910 retro computer) fully emulated on a Raspberry Pi Pico

USB keyboard to PS/2 / AT / XT interface converter using a Raspberry Pi Pico

Versatile Embedded Retro Adapter

Replace aging vintage computer power supply with modern ATX PSU

TMS9918A emulator library (C99)

A series of m68k-based single-board computers built to run Linux