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SIMH - http://simh.trailing-edge.com/
An open source collection of emulators for Windows of historical computers, including GRI-909, HP 2116/2100/21MX, IBM 1401/1620/1130/System 3, PDP-1/4/7-11/15/VAX. Also provides software kits, system photographs, and technical papers. |
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PearPC - http://pearpc.sourceforge.net/
An open source PowerPC emulator for Unix and Windows. |
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GXemul - http://gavare.se/gxemul/
An open source MIPS machine emulator for Linux. |
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XRoar - http://www.6809.org.uk/dragon/xroar.shtml
An open source Dragon 32/64 and Tandy CoCo emulator for Linux , MacOS/PPC, GP32, and Windows. |
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Desktop Cyber - http://members.iinet.net.au/~tom-hunter/
An open source CDC (Control Data Corporation) Cyber 6x00, 7x or 17x type mainframe emulator for Windows or Unix. |
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James the Animal Tamer's Emulators - http://www.geocities.com/emucompboy/
Freeware APF, Aquarius, Exidy Sorcerer, Interact Family Computer, MC-10, NEC PC-6001A, Panasonic Personal Computer, and TRS-80 emulators for Windows. |
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Emu51 - http://emu51.sourceforge.net/
An open source 8051 emulator for Linux and Windows. |
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Flexemu - http://geocities.com/flexemu/
An open source EurocomII/V7 emulator for Linux and Windows. |
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mic1 - http://www.ontko.com/mic1/
A Java-based simulator which implements the Mic-1 microarchitecture described in Chapter 4 of Andrew S. Tanenbaum, Structured Computer Organization, Fourth Edition. [Open source, GPL] |
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Japanese Computer Emulation Centre - http://www.jcec.co.uk/
A site dedicated to the emulation of Japanese Machines including X68000, PC6001, PC88, PC98, MSX 1/2/R, Sharp MZ, Sharp X1, Fujitsu FM7, and Fujitsu FM Towns. |