PiratOS
32Bit PM-OS (not in english)
Rating: (1/5)
Votes: 11
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PM_SZ_OS
PM_SZ_OS - 32 Bit Protect Mode Operating System for 486+ Processors.
Rating: (1/5)
Votes: 11
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ReactOS
Opensource OS aimed at replacing Windows NT.
Rating: (2/5)
Votes: 21
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RTMK - Real Time Micro Kernel
GPLed, not been updated since March of 2002.
Rating: (1/5)
Votes: 10
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SkyOS
A hobby OS that is really starting to come along, nice GUI
Rating: (3/5)
Votes: 27
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SOLAR OS
A Free, Small and Realtime OS with a OOP GUI written in 100% assembly.
Rating: (1/5)
Votes: 14
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Spoon
A good microkernel based OS that is written in C++.
Rating: (2/5)
Votes: 20
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Storm OS
Very small 32 bit software multitasking OS programmed with ASM and C languages. Has a GUI, PS/2 mouse, etc.
Rating: (2/5)
Votes: 12
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Syllable
Fork of the AtheOS operating system. Under development for ordinary desktop uses. Has its own kernel and GUI.
Rating: (1/5)
Votes: 15
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The Damn Small OS
A revolutionary Operating System, giving more power to the exo-kernel architecture, where the application has full control of the machine. It targets portability, being written mostly in C. Under Heavy development
Rating: (1/5)
Votes: 9
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The Mobius
Free, advanced, opensource OS under the GPL license. Coded by Tim Robinson.
Rating: (2/5)
Votes: 16
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The RadiOS
The Radiant Operating System (RadiOS) - a microkernel-based OS that resembles many features of QNX and VSTa
Rating: (2/5)
Votes: 18
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Thix
A small, posix compilant Unix clone written by Tudor Hulubei
Rating: (2/5)
Votes: 15
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TINOS
Small, opensource, microkernel OS.
Rating: (2/5)
Votes: 15
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Trinary OS
Nice little opensource OS.
Rating: (1/5)
Votes: 11
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