The program has originally started as a two-weeks hack for emulating the ZX81, but now grew to a decent six-months project. Aside from improved ZX80/ZX81 emulation, it's now also supporting the Lambda and Jupiter ACE, alongsides with the complete ZX Spectrum series (though the older monochrome sinclair ...

Rather than being just another computer museum RWAP Software offers a range of support for the older type of computer, mainly computers designed by Sir Clive Sinclair during the 1980s, namely the Sinclair ZX80 (1980), ZX81 (1981), ZX Spectrum (1982), the Sinclair QL (1984) and Cambridge Z88. We also offer a broad range of second hand hardware and software for these computers and spares ...

This is the home page for Paul Robson's Sinclair Emulators. There are two of these - a ZX80/81 emulator and a Spectrum Emulator. All are freeware, and the source code is available for those interested.

XTender is a classic "1st generation" emulator, existing since 1991 and running the vast majority of ZX81 programs at unsurpassed speed on XT/AT/386/486 systems. XTender is a shareware product and has many thousands of devoted users.

XTender2 is a "2nd generation" emulator, written by the same author. XTender2 is superior to XTender in all ...