Open Source Operating System Kernels

************************************************************************************************************************ * The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries. * Our support has moved to https://forums.freertos.org. ************************************************************************************************************************ FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of libraries suitable for use across all industry sectors. Visit https://www.freertos.org for more information and other download options. Note about support/discussions forum: The FreeRTOS support forum has moved to https://forums.freertos.org. Please update your bookmarks and create new posts in the appropriate category in the new community forums.

EmuTOS is a TOS compatible operating system for Atari ST series computers, and more. It is made from Digital Research's GPLed original sources and is a free and open source alternative to Atari proprietary ROMs.

XPerience it's an AOSP-CAF (Android Open Source and Code Aurora Forum) based rom which aims to bring the perfect combination of both performance and battery life by bringing you our ultimate kernel and system optimizations in order to give you the best XPerience for your Android devices. Because you deserve to use your device's full capabilities without Sacrificing battery life.

AOSP Extended is an AOSP based rom which provides stock UI/UX with various customisations features along with the Substratum theme engine. The project has been made by cherry-picking various commits from various other projects. Being based on AOSP it provides a smooth and lag-free experience out of the box. We will constantly try to add more features and make it even better in future updates. A ROM by a user, for a user. #StayAOSP #ExtendYourDevice #BeExtended

A AOSP based project that is set to show its power in Battery , Performance and Customization without compromising security.

The official home of Fresh, a One UI-based custom firmware for Samsung devices.

C-BIOS is an open source BIOS for MSX computers. C-BIOS can be shipped with MSX emulators so they are usable out-of-the-box. This project aims to improve C-BIOS by fixing incompatibilities with the MSX BIOS and the development of a Disk ROM.

This project is for the portable computer "Cambridge Z88", produced by Sir Clive Sinclair (of ZX Spectrum fame). We continue to support software development (ROM, 3rd party apps on memory cards and desktop applications). We have moved to https://cambridgez88.jira.com/wiki (development, source code and documentation). However, we continue to publish files for download here.

No for upload testing rom

A kernel for your device

Resurrection Remix the ROM has been based on LineageOS, and including some features from SlimROM, OmniROM and original Remix ROM builds, all those creates an awesome combination of performance, customization, power and the most new features, brought directly to your device !

dzOS is a single-user single-task ROM-based operating system (OS) for my 8-bit homebrew computer dastaZ80, which runs on a Zilog Z80 processor. It is influenced by ideas and paradigms coming from Digital Research’s CP/M, but also from 8-bit computers of the 80s era.