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AROS |
AROS Research Operating System is a lightweight, efficient and flexible desktop OS that is compatible with AmigaOS 3.1 at the API level. |
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BeOS |
Desktop OS optimized
for video and sound, no longer available or supported |
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CP/M |
Created
by Digital Research, sold and resold to a number of companies including Novell, Caldera and lastly Lineo. Source code is available. The last version available was written for 8086/8088, but the design pre-dates MS-DOS (i.e. it's really old). |
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CTOS |
Owned by Unisys
- No longer sold or supported. |
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eComStation |
Successor to OS/2 using the OS/2 code base |
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Haiku |
Haiku OS based on BeOS |
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NetWare |
Novell's
Server OS |
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SkyOS |
GUI OS
for x86 |
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OS/2 |
IBM's
full GUI Multitasking OS |
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Pick |
OS appears
to be no longer supported. The Picksys.com url now redirects to rainingdata.com,
who continue with the Pick database. Files may be available for download
at ftp://ftp.rainingdata.com/pub/ |
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Plan 9 |
Bell Labs created OS that is available for free. As of late 2008 the plan 9 site was dead. Use this link to see the Wiki on Plan 9. |
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QNX |
Embedded
OS for the x86 platform |
|
ReactOS |
ReactOS
is an Open Source effort to develop a quality operating system that is
compatible with Windows XP applications and drivers. |
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Syllable |
Designed for ease of use, it provides both desktop and server versions. The server version based on Linux. The desktop is custom code not based on Linux, and both are free. |
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THEOS |
Multi-user
low cost OS. |
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Visopsys |
An open-source compact multitasking GUI OS in development. |
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