Retro computers are good old 8 bit and 16bit computers that existed in the 80's.
Most of them still have an active scene and released softwares these days.
“The Amstrad CPC was a range of 8bit computer made by Amstrad PLC (british company) which sold a...Amstrad CPC
“C64 is still the most selling computer model in the world. For more information, please check...C64
“The Amiga was a range of 16/32 bit computers made by Commodore. It was very popular in Western...Amiga
“ZX spectrum was a range of british 8bit computers from the 80's. http://www.worldofspectrum.org/ZX Spectrum