Open Source

AtomsNet

atoms.sourceforge.net

Modular object-oriented application to index files across networks. Consists of plug-in type data retrieval system, webserver, peer-to-peer connections for network-wide information…

228 visits Jan 26, 2025 Details

GNUstep.org

gnustep.org

Official site of GNUstep: free implementation of NeXTStep/OpenStep specification.

59 visits Feb 9, 2026 Details

GO! SourceForge

goos.sourceforge.net

For developers; want those who like ASM, C/C++ and wish to make an OS for enjoyment and useful tasks such as routers, web servers; full documentation, FAQ, history, news, buglist, …

350 visits Sep 18, 2024 Details

JNode

jnode.sourceforge.net

Goals: all Java OS, flat memory model, for personal use, simple to use and install, any Java applications to run on it fast and safe. Descriptions, documents, screenshots, download…

496 visits Jan 15, 2026 Details

JOS: Java Operating System

sourceforge.net

Collaborative undertaking by an international group of Java programmers and enthusiasts to create free Java OS. [Open Source]

428 visits Nov 11, 2024 Details

leJOS

lejos.sourceforge.net

Tiny Java OS for Lego RCX brick. Like its predecessor TinyVM, has tiny Java runtime, under 32K; works as replacement firmware for Lego; Hitachi H8300 processor. To be ported to mor…

104 visits Jan 22, 2024 Details

O3ONE

o3one.org

Object-oriented OS uses best parts of VMS, Unix, Windows NT. Almost everything in kernel is an object (threads, processes, devices, files, event flags, more) to which one can assig…

275 visits Feb 10, 2025 Details

Odiseo Desktop

geocities.com

Multitasking environment, written in Java, for all Java programs, can execute many Java applications in unique virtual machine. Descriptions, screenshots, downloads. [Open Source, …

408 visits May 9, 2024 Details

RCOSjava

sourceforge.net

Tool designed to teach inner workings of operating systems: simple animated simulated OS and hardware coded in Java. RCOS successor.

311 visits Jun 11, 2025 Details

ROME

rome.sourceforge.net

Lightweight, very modular component-based, multitasking, embedded OS; developed, used for many research projects. Goal: manage fast data streams in multimedia environments; for spe…

304 visits Jan 1, 2026 Details

Sanos

jbox.dk

Minimal OS kernel for PC based server appliances. Lets you run java server applications without need to install host OS, only need normal Java HotSpot VM and Sanos. Description, do…

222 visits Aug 11, 2024 Details

Unununium OS

unununium.org

Development project with the goal of creating a highly componentized graphical real-time operating system without the need of a kernel. It is written in the Python programming lang…

81 visits Feb 14, 2025 Details

Open Source

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