| Directory > Computers > Software > Operating Systems > Microkernel > Open Source Programmers Operating SYStem: POSYS
To be simple 32-bit multitasking microkernel using all security features of x86 processors, able to
load and execute modules for: MS Win32 (32-bit PE, EXE; dynamic link libraries, DLLs), Linux (ELF,
a.out). [Open Source, GPL]
http://posysos.sourceforge.net/
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Spoon Microkernel
Hobby and education OS, for Intel compatible CPUs; simple, available source code make it a useful
source of learning material. South Africa. Descriptions, documents, screenshots, tips, links. [Open
Source, BSD]
http://www.djm.co.za/spoon/
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LinksOS
To be fast, secure, straightforward, fill gap between OS X, Linux, Windows, built on microkernel,
coded in Assembly, C/C++; for desktops, workstations, small servers. Description, mail list, OS
design documents, CVS, downloads. [Open Source, BSD]
http://sourceforge.net/projects/linksos/
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JTMOS
Operating system aimed at OS developers and users who are very advanced at using computers
generally; microkernel, multitasking, multithreaded, some garbage collection. [Open Source]
http://www.fortunecity.com/tattooine/obiwan/32/
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Phantom OS
Unix based, small, fast, stable, preemptive multitasking, microkernel, filesystems FAT-12/16/32,
for x86 (386), dummy PCI support and network implementation, floppy and HD driver; cs4232, Sound
Blaster drivers, sound mixing. [Open Source]
http://ond.dnsq.org:2980/phantom/
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sMultiTA
World's smallest, but full functioning, software extension for MultiTAsking. Very small 200 lines,
coded in C, simple, no interrupts or blocking, for hard realtime use; portable, easy to reconfigure
to other systems. [Open Source, GPL]
http://www.dobit.com/emblin/smultita.htm
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WildMagnolia
Microkernel with small privileged nucleus providing processes, threads, IPC and synchronizing
primitives. Modules added as separate processes in user-space. Unlike most kernels, uses mainly
migrating thread model like Mach's. [Open Source, GPL]
http://www.washingdishes.freeuk.com/
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Mika OS
Low-level coded, AI oriented microkernel OS, based on neural nets. Goal: provide a hight flexible
OS architecture based on neural networks and sensor equipped devices. Mach4/Flux-based. [Open
Source, GPL]
http://mikaos.ifrance.com/mikaos/
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SOBS: Stream and Object Based System
Operating system designed for high flexibility and modularity in design and usage. A stream-based
OS has one premise: that all objects in a computer system, be they hardware, device drivers,
programs, whatever, fundamentally operate in the exact same way. Very readable explanations, source
and binary distributions.
http://stout.hampshire.edu/~men99/
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OpenBLT
Message passing, threaded microkernel OS. Goal: mostly an experimental vehicle for playing with OS
programming ideas that interest the (small) development team. Sudden, big changes are common. [Open
Source]
http://www.openblt.org/
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ReactOS
Opensource effort to develop a quality operating system compatible with Windows NT applications and
drivers.
http://www.reactos.com/
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Gemini Nucleus
Open source project to make a production quality micro kernel based on the latest findings in OS
research.
http://gemini.sourceforge.net/
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Apostle
Free microkernel operating system for i386 architecture, built on Gemini Nucleus, coded in C. Seeks
to provide well-designed alternate to extant OSs; goal: create an OS that works because it is
appropriate and effective for its users. [open source, GPL]
http://apostle.sourceforge.net/
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Moo32
Early development microkernel.
http://www.geocities.com/SiliconValley/Vista/7477/os.html
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NewOS
Loosely based on concepts in BeOS, FreeBSD, NT, Solaris, other modern OSs; goals: be as modern and
complete as possible, emphasize platform portability; runs on x86 1, 2/4 SMP CPUs, Sega Dreamcast
Hitachi SH-4. Kernel used in OpenBeOS. [Open Source, BSD]
http://newos.sourceforge.net/
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