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Microsoft VirtualPC is not opensource, but is free. However, it only supports 16-bit color, and has problems with Ubuntu out of the box (you'll have to search
by NonEUCitizen 18y ago
Microsoft VirtualPC is not opensource, but is free. However, it only supports 16-bit color, and has problems with Ubuntu out of the box (you'll have to search the web for non-standard installation instructions). I've used it successfully with Debian and PCBSD.
VirtualBox from Sun is opensource and free. I have not tried it but friends who have like it.