Open Source Operating System Kernels

Dreamos is an operating system developed on Sega Dreamcast to be ported to an array of embedded devices. The goal of the project is to be able to run non-ported Unix programs on the Sega Dreamcast and other embedded devices with ease and POSIX compliance

Cryptic Allusion Dreamcast-related development: KallistiOS, Ghetto Pong, etc.

BrickOS is an alternative software environment for the LEGO(r) Mindstorms Robotic Invention System. The intent is to allow developers to write C and/or C++ code for the RIS platform.

A really low footprint (< 10 Kb) Java VM and replacement firmware for the Lego Mindstorms RCX microcontroller, which is part of Lego's Robotics Invention System. TinyVM is the progenitor of <a href="http://lejos.sourceforge.net">leJOS</a>.

A deluxe PINN/NOOBS-compatible linux distro image of DreamPi for the Sega Dreamcast. Also supports Sega Saturn Netlink/modem online support. Meant for Raspberry Pi SBCs. More details about this NOOBS-compatible distro image available at the official webpage (www.eaglesoftltd.com/retro/dc/dreampi-noobs).

TempleOS is a 64-bit kernel with compiler, graphics library and tools. It is not a Unix. It was made from scratch.

Sensa is not an operating system, is a work environment compatible with Android © 4.4.4, Firefox OS ©, Linux Ubuntu 12.12 ©, MacOS Classic 7 ©, MS -DOS © operating systems, and Microsoft Windows 8.1 ©; whose distribution is free, and with source code available under GNU GPL 2.0 license .

A PINN/NOOBS-compatible linux distro image of XBandPi for the XBand modems (Sega Genesis, SNES/SFC). Meant for Raspberry Pi SBCs. More details about this NOOBS-compatible distro image available at the official webpage (https://www.eaglesoftltd.com/retro/genesis/xbandpi-noobs).

NOOBS compatible distro image for a wrapper around the XLink Kai Engine. XLink Kai allows one to play system-link / LAN-enabled games online for OG XBox, Xbox 360, Xbox One, PS2, PS3, PS4, Gamecube, Switch, PSP, and Vita.

CelOS is a simple, easy-to-use, flatpak centric Linux distribution for everyone. Github: https://github.com/cobweb-development/celos/ We aim to have a stunning design, by using the GNOME desktop environment, complete with stunning animations, we plan to have a beautiful, intuitive and easy to use desktop. We aim to be as secure as possible. Most preinstalled applications come from Flatpak and Flathub, a containerised, sandboxed method of Linux application distribution. We aim to be a distribution for the majority of people, those who want a beautiful, stable and secure desktop. We are based on Ubuntu 20.04 LTS to provide that stability. Flatpak is at the heart of CelOS. The core applications you may be using eg: Firefox, will come from a flathub repository. Any software or games you might want to install (examples include: Spotify, Discord, Steam, Minecraft) can be installed right from our software center!

I finally got around to actually coding something! This is going to be an OS for use on combat robots, complete with full support for sensors, hammers, flamethrowers, wedges, saws, and clamper robots. All weapon systems are fully customizable w/RC.

New Operating System for the Classic Cybiko V2.

DRAKE is a true homebrew game console that consists of specially crafted hardware, system software and games.

A system for supporting embedded Linux platforms. This includes building cross compilers and cross compiling packages that make up the embedded distribution.

Virtual machine/emulator; "holding pen" for self-replicating programs written in custom RISC assembly-like language, evolving via random point mutations and periodic fitness-based cullings. Inspired (like Avida) by Thomas Ray's alife simulator, Tierra

FreeWPC is a software framework for writing new software for 1990's Bally/Williams pinball machines. The framework allows you to build your own ROM images, define your own game rules, incorporate dot matrix animations, design lamp shows, and so on.

HellCat Project: a new computer, a new OS, and much much more.

JnuxBand, a portable Angband for x86. JnuxBand is a simple Linux bootdisk, based on Busybox and uClibc that contains everything you need to play the game Angband, an ASCII roguelike dungeon exploration game.

L-OS is a 3D angine written in Intel 8086 assembly for 16-bit real mode. The engine currently features Mode X support with wireframe meshes. L-OS is a booting package that can be installed to hard drive via floppy disk.

LoseThos, a free, 64-bit, multicore, PC operating system designed from scratch -- not a Unix. No bloat. Boots in 2 seconds. Comes with games, C compiler, tools and lots of demos of the API! Test-drive or install -- it is a live CD.

An open hardware and software platform, Octobits attempts to recreate the aesthetics of the early eight-bit computer age using cheap, powerful, and readily available modern components.

简单的Java语言版Flash多人游戏服务器 主要实现如下功能： 1) NIO Socket通信 2) 简单内存数据库管理 3) 消息管理 4) 数据库连接池 5) 启动加载管理 6) 游戏组件管理 7) 数据包管理

Roundhouse is a pair of C based embedded software applications to drive model railroad stepper motor based turntables. It consists of a stepper motor code and controller code connected by an I2C network. Written in C for PIC18/PIC16s processors.