OSI-Approved Open Source (301)
- GNU General Public License version 2.0 (178)
- BSD License (44)
- GNU Library or Lesser General Public License version 2.0 (43)
- GNU General Public License version 3.0 (28)
- MIT License (15)
- Apache License V2.0 (9)
- Common Development and Distribution License (5)
- GNU Library or Lesser General Public License version 3.0 (5)
- Academic Free License (4)
- Open Software License 3.0 (4)
- Common Public License 1.0 (3)
- Eclipse Public License (3)
- Adaptive Public License (2)
- Mozilla Public License 1.1 (2)
- Affero GNU Public License (1)
- Other License (14)
- Public Domain (11)
- Grouping and Descriptive Categories (328)
- Linux (314)
- Windows (281)
- Mac (280)
- Android (262)
- Modern (35)
- BSD (29)
- Other Operating Systems (29)
- Emulation and API Compatibility (8)
- Audio & Video
- Business & Enterprise
- Home & Education
- Science & Engineering
- Security & Utilities
- System Administration
GrindarsOS - 32bit protect-mode one-task operating system.10 weekly downloads
Develop your own Real Time Kernel. BastKernel is designed both for Hard Real Time Applications and Time Sharing. The BastKernel is compiled under Win32 environment. It's easy to install Bastkernel and useful for educational purpose.1 weekly downloads
A pre-emptive operating system for Atmel AVR 8-bit microcontrollers featuring queues, semaphores, a flash fileystem and high level peripheral device drivers.
Armelot is an OS for arm based cpus. It's specifically designed for Philips LPC2129 microprocessor (and supports its peripherals) but it has a modular core and is portable across arm V4 platforms.
This is simply a kernel written in C and assembly targeted to rebuild the majority of software, libraries and tools to create a stand alone software solution.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.
古董收藏相关的软件，GTK的界面1 weekly downloads
Compilation of kernel linux with many improvements and new functionalities.124 weekly downloads
The main goal of this project is to provide open source alternative to proprietary operating system used in Motorola p2k mobile phones(not smartphones).
An ASCII MMORPG / World Simulation / Genetic Programming Project1 weekly downloads
A little operating system named sonanos, which can run on i386 and ipod. Is is developed just for fun.
StrikeRange Appliance platform.
Story OS is a small microkernel system with object-oriented service interface.
Caracal is an IA32 operating system which, once stable, will be used to create tutorials and therefore teach others the basics of writing system software for IA32 processors.10 weekly downloads
Open Embedded Real Time Operating System. Widely and graphically configurable from a very small non-preemtive OS up to a fully featured pre-emptive system. First target is to cover 8-bit AVR microncotroller's family with GCC - AVR compiler.
I'd wanted to plan 3 OSes. Hobby is most flexible. So THAT. with linux, WinME+ and darwin methods. 1st efforts- newer, usb, sata+, 64bit-multicore cpus. . At most, 64-bit, 32-bit compat graphical safe-mode command-line... Primarily. a KERNEL
uOS is a Micro Operating System designed for developers.
One day there will be a Windows 9, coming after Windows 8 and current Windows 7. Why not starting working now on a Windows 9 similar open source OS ten years before it appears instead of still working on it 10 years after it will become obsolete?1 weekly downloads
This is a library library for the handyboard (www.handyboard.com for a description), which can be used with the gcc m68hc11 compiler. The library has a somewhat different feature set from Interactive C but should be much faster.1 weekly downloads
Occam aims to be an extensible, distributed, object-oriented, and secure operating system. It is currently in the planning stages.
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
64-bit operating environment.
The Palacios VMM integrated with the Kitten Ligthweight Kernel. Palacios is a lightweight and modular VMM developed by Northwestern University and the University of New Mexico. Kitten is a Lightweight OS Kernel developed by Sandia National Labs.
KISS(Keep It Small and Simple) OS is an operating system that will be designed from scratch. It will be designed using Assembly and C.
Module #0 of the Independent Innovative FLOSS public project -- Operating System Kernel (see the iifoss project for more information).