🎥 Command line media player

Open-source keyboard firmware for Atmel AVR and Arm USB families

Embedded web server, with TCP/IP network stack, MQTT and Websocket

RunCPM is a multi-platform, portable, Z80 CP/M 2.2 emulator.

An lwIP-based Ethernet library for Teensy 4.1 and other platforms

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP…

Emulator of x86-based machines.

A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)

Main MiSTer binary and Wiki

The DOS game emulator that's fit for your Mac.

Program to decode radio transmissions from devices on the ISM bands (and other frequencies)

Raspberry Pi Pico Arduino core, for all RP2040 boards

A Boot Manager for Mac and PC

Open-source keyboard firmware for Atmel AVR and Arm USB families

Open-source keyboard firmware for Atmel AVR and Arm USB families

liblo is an implementation of the Open Sound Control protocol for POSIX systems

It's like cat, but for images.

Highly portable Zilog Z80 CPU emulator written in ANSI C

ESP8266/ESP32/Arduino custom modem<->internet simulator with lots of features

A curses library for environments that don't fit the termcap/terminfo model.

Multi CompUter Machine Emulator for several MCUs

A new bootable USB solution.

One true awk

Free Tektronix 4010, 4013, 4014 and 4015 terminal emulator for Raspberry Pi, Linux, macOS (Macintosh) and Windows

BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

MFM emulator code

TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.

Bare-metal Raspberry Pi project that provides pixel-perfect sampling of BBC Micro video and conversion to HDMI