Open-source KVM software

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…

coturn TURN server project

Lua based interactive firmware for ESP8266, ESP8285 and ESP32

High Performance TCP/UDP/HTTP Communication Component

'Classic' FreeRTOS distribution. Started as Git clone of FreeRTOS SourceForge SVN repo. Submodules the kernel.

Box86 - Linux Userspace x86 Emulator with a twist, targeted at ARM Linux devices

DOSBox-X fork of the DOSBox project

STM32 core support for Arduino

A kernel designed to run one and only one application in a virtualized environment

Lexbor is development of an open source HTML Renderer library. https://lexbor.com

Embedded JavaScript engine for C/C++

Modular and configurable OS for embedded applications

Open Watcom V2.0 - Source code repository, Wiki, Latest Binary build, Archived builds including all installers for download.

A FreeRTOS Library for all Arduino ATmega Devices (Uno R3, Leonardo, Mega, etc).

flexible terminal-based text editor (C)

µC/OS-II is a preemptive, highly portable, and scalable real-time kernels. Designed for ease of use on a huge number of CPU architectures.

FreeRTOS adaptation for CMSIS-RTOS Version 2

Locally run an Assistant-Tuned Chat-Style LLM

A barebones single-header GUI library for Win32, X11 and Essence.

Memory Manager For Small(ish) Microprocessors

Open source cross-platform implementation of MRCP protocol

Simple starter projects for bare-metal MCU development

An open-source OS for embedded applications that supports prioritized cooperative scheduling, time control, inter-task communications primitives, hierarchical state machines and CoRoutines.

C code refactoring browser

Eclipse ThreadX - USBX is a high-performance USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Eclipse ThreadX RTOS

Microchip's PIC MCU Library

Arm Mbed OS is a platform operating system designed for the internet of things

Kermit 95 (C-Kermit for Windows and OS/2) - scriptable internet and serial communications with terminal emulation

D-Flat Windowing System (SAA/CUA Interface) Version 20