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JNode is a Java New Operating system Design Effort. JNode is a simple to use and install Java operating system for personal use on modern devices. Any java application runs on it, fast and safe. See our homepage for additional information.110 weekly downloads
FreeOS/1 is a Free, Open Source, FreeDOS based Free and Open Source Alternative OS, with open source Microsoft Windows compatibility using HXDOSExtender KernelEx,and ReactOS source code. FreeOS/1 will include new technologies and will be easy to use24 weekly downloads
An open source operating system for x86.3 weekly downloads
GaryOS is an entire GNU/Linux system in a single bootable file8 weekly downloads
Embedded Operating System2 weekly downloads
ELKS is a subset of the Linux kernel that runs on IBM compatible PCs from 8086 up. It is intended to get use out of obsolete old hardware, for use in embedded systems, and as an educational tool. ELKS has been moved to Github to protest SourceForge's installer adware hijacking. This does not directly affect ELKS, but it does affect many major open source projects such as Gimp and FileZilla by attempting to trick the user into installing adware in order to download these programs. I refuse to leave ELKS here with such policies in effect. If you have questions about this, please email email@example.com weekly downloads
Unix-like operating system for the TI-89 and TI-92+ graphing calculators.3 weekly downloads
Development area for GNU/Linux 2.6.x for the KS8695 ARM SoC. Covers kernel patches, drivers for serial, Ethernet, PCI, GPIO, watchdog subsystems, and drivers for optional PCI based devices such as USB, WiFi, WiMAX, IPSec, SSL, and RSA devices.2 weekly downloads
BLibrestez Robotics Software Library Project1 weekly downloads
Blueport is an italian Open Source 32-bit operating system ... This project has temporarly moved to Gna.org: <a href="http://gna.org/projects/blueport">Blueport project</a>1 weekly downloads
The project aim to create a microkernel-based operating system from scratch.1 weekly downloads
An operating system written in C & assembly.1 weekly downloads
JuleOS Dynamite is a simple operating system (OS) that will perform very minor and simple operations.1 weekly downloads
AOS is an Operating system based on DOS that is for use by advanced end users and has no GUI. It has a variety of functions and comes with many utilities useful for administrators. It requires a keytag number to login, these can be configured in code.
Aurora OS is an operating system designed in a microkernel format for all users. The object is to develop a modular, mulitplatform, multitasking Operating System that is simple, effective, and powerful.
Cellocity Linux is Based on Fedora Core 6 Source Code. With only basic core elements needed to operate Compatipal and a completley Graphic Interface as well as Text. Version 2.0 will include more applications 32,64 bit and 80 Core Intel CPU
The Isis OS Project Is a Controlled Project to Develop An Advanced Modern Operating System!
Learn, Adapt, Store, Evolve, and Retrieve
A replacement firmware distribution for the 3com 3CRADSL72 a.k.a 3com wireless 11g (distributed by Ya.com) and its identical twin, the SMC7804WBRA, with an ucLinux kernel based system and associated system tools.
MightyOS is a serious attempt at making a fast and lightweight Operating System written in C++.
OnyxOS is a 32 bit protected mode operating written primarily in C with a small amount of ASM. It aims to be a small OS useful for learning low-level OS development and provides a base for other hobby OSes to grow from. It features a shell called Slosh.
Customize Kernel 64-Bit Operating System
64-bit operating environment.