Gerbil OS
An experimental OS
Rating: (1/5)
Votes: 13
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GNU Hurd
GPL Unix clone.
Rating: (2/5)
Votes: 15
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GO! OS
Go! is a prototype component-based OS that runs natively on x86 based PCs.
Rating: (1/5)
Votes: 13
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L4/Ka
Opensource microkernel.
Rating: (1/5)
Votes: 12
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Linux
'nuff said.
Rating: (2/5)
Votes: 21
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Mach 4
Opensource microkernel, Apple used some of it in OSX.
Rating: (1/5)
Votes: 12
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MadOS
An Open Source Oporating system for the x86 platform.
Rating: (1/5)
Votes: 13
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Mekanix OS
Mekanix is a 32-bit POSIX compliant OS, written in 100% assembly. It is designed for speed and stability.
Rating: (1/5)
Votes: 14
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MenuetOS
Very complete OS coded completely in assembly. Very small, very fast, and very cool.
Rating: (2/5)
Votes: 27
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Minix
Opensource Unix clone that inspired Linus to code Linux.
Rating: (2/5)
Votes: 15
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MIT Exokernel Operating System
Interesting new OS where the application, and not the kernel is what's in control.
Rating: (1/5)
Votes: 12
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Nachos

Rating: (1/5)
Votes: 13
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NewOS
An opensource OS coded by a privious Be Inc. developer who worked on BeOS.
Rating: (1/5)
Votes: 12
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O3ONE - The Object Oriented OS
Interesting opensource OS. Has lots of unique things in it.
Rating: (1/5)
Votes: 13
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OS VIB
Small multitasking OS written in masm.
Rating: (1/5)
Votes: 13
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