| Altair32 | | An open source Altair emulator for Windows. |
| blueMSX | | An open source SVI318/328, MSX1, MSX2, MSX2+, and Turbo-R emulator for Windows. |
| cinc | | An open source Bell Labs cardiac emulator for Linux and Windows/Cygwin. |
| CP/M | | An open source CP/M-80 ver2.2 emulator for MacOS. |
| Desktop Cyber | | An open source CDC (Control Data Corporation) Cyber 6x00, 7x or 17x type mainframe emulator for Windows or Unix. |
| Emu28 | | An open source HP18C/28C emulator for Windows. |
| Emu51 | | An open source 8051 emulator for Linux and Windows. |
| Emula3 | | Contains emulators for many different computers and calculators/PDAs for many different platforms. [English/Italian] |
| Emuviews | | Great emulation page maintained by JoseQ, maker of the famous Rumor Mill, many downloads, great layout - some hosted sites. |
| Flexemu | | An open source EurocomII/V7 emulator for Linux and Windows. |
| FunnyMu | | A freeware Creativision, Funvision, and Whizzard emulator for Linux/SDL. |
| GXemul | | An open source MIPS machine emulator for Linux. |
| HiRISC Simulator | | A freeware emulator for Windows of a system designed specifically for the Applied Systems Programming course at the University of Akron. |
| James the Animal Tamer's Emulators | | Freeware APF, Aquarius, Exidy Sorcerer, Interact Family Computer, MC-10, NEC PC-6001A, Panasonic Personal Computer, and TRS-80 emulators for Windows. |
| Japanese Computer Emulation Centre | | 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. |
| KCemu | | An open source emulator of the KC85 homecomputer series for Linux and Windows. |
| 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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