OSI-Approved Open Source (261)
- GNU General Public License version 2.0 (134)
- GNU Library or Lesser General Public License version 2.0 (40)
- BSD License (39)
- GNU General Public License version 3.0 (20)
- MIT License (16)
- Python Software Foundation License (11)
- PHP License (10)
- Apache License V2.0 (9)
- Academic Free License (7)
- Apache Software License (6)
- NASA Open Source Agreement (6)
- GNU Library or Lesser General Public License version 3.0 (5)
- Open Software License 3.0 (4)
- Sun Public License (4)
- Apple Public Source License (3)
- Other License (16)
- Public Domain (12)
- Grouping and Descriptive Categories (289)
- Linux (273)
- Windows (252)
- Mac (249)
- Android (228)
- Modern (35)
- Other Operating Systems (23)
- BSD (22)
- Virtualization (9)
- Audio & Video
- Business & Enterprise
- Home & Education
- Science & Engineering
- Security & Utilities
- System Administration
A simple operating system (not necessarily small). I try to implement standards like the standard C library. This product includes software developed by the tyndur Project and its contributors.3 weekly downloads
Knuth NNIX operating system kernel
NOIX is a x86 based kernel development project with the goal to come up with an innovative design.Project is divided into two phases, first one dedicated to didactic and research purposes and latter one for implementation of design finalized in phase one
Open source linux based firmware for the Lego Mindstorms NXT.
Namespace is a codesmith construction kit for SuperWikia Alpha which increases project proficiency. Its developer U/I builds entire source codes from SuperWikia Alpha's header libraries and has a custom header editor for custom namespace building.
An Instructional Operating System for the x86 Architecture2 weekly downloads
Nevux is an object-orientated non-preemptive operating system for micro-controllers written in C++. It is separated in portable and device specific code.
Exploring the possibilities of doing an Operating System completely different than all of the existing ones. Instead of basing it upon concepts that are 40 years old, design it from the ground up object oriented, peer-to-peer, and for security.1 weekly downloads
NotOS is multitasking, multithreading simple operating system based on monolithic kernel. NotOS haves paging-based memory management and software-based task switching. It works on Intel Pentium processor and others, based on Pentium.
A new simple operating system1 weekly downloads
Nucleus is an Operating system Kernel that is totally different from Linux and Windows. It is easy to understand and implement. It will have native support, small architecture and full VGA support (no text mode).14 weekly downloads
Nx is a simple (yet only x86) multiprocess operating system kernel written in C (and some parts in assembly) from scratch. Our goal is to achieve high performance, speed, flexibility and security by using the simpliest possible design.
Overnet Millennium Server for Unix Linux1 weekly downloads
ORCOS is an Organic Reconfigurable Operating System which is designed for embedded systems. ORCOS could be seen as an operating system construction kit and was written with realtime, configurability, portability and security in mind.
Its a tiny open source Operating System created mainly aid in study of Operating Systems. It's floppy based, uses FAT-12 filesystem with complete shell and basic commands. It created in C and assembly (gcc + nasm).1 weekly downloads
Operating System Framework for a MIPS Simulator. The project includes a multi-threaded MIPS Simulator and a naive Operating System and an Assembler for the simulated architecture, intended to be used for instructional and educational purpose.1 weekly downloads
Operating System in 512bytes.1 weekly downloads
A Micro Kernel OS designed from scratch1 weekly downloads
Occam aims to be an extensible, distributed, object-oriented, and secure operating system. It is currently in the planning stages.
This project is an effort to develop open source software for all old platforms, like MSX, Commodore, AMIGA, Atari, ..... and collect technical information about old platforms, keeping the "old skool" flame alive.1 weekly downloads
Open Hypervisor features hardware passthrough, security and a framework that allows the development of Virtual Software Appliances.
Open Source NetWare Kernel (MANOS) written by the Timpanogas Research Group in Orem Utah and released under the GNU Public License in 2000 and 2001. Written by Jeff Merkey and Darren Major, original authors of the SMP Novell NetWare kernel.1 weekly downloads
This project is derived from the the defunct OpenDarwin project, updated with current sources from Apple where possible, and intended primarily to facilitate easy development of the OS X port of D/ELTA.
A fork of ReactOS which aims to be compatible to the NT architecture (but not a clone) meeting WINE's standards every time a part of NT interface is implemented. The fork was done at revision 9494 before ReactOS changed slowly into Tinykrnl.1 weekly downloads
The OpenSSI project is a comprehensive clustering solution offering a full, highly available SSI environment for Linux. Goals for OpenSSI Clusters include availability, scalability and manageability, built from standard servers.5 weekly downloads