Soviet:
ES PEVM (IBM PC clone) - 1986
Okean-240 (128 KB, Intel 8080 class) - 1986
UKNC (192 KB, PDP-11 class) - 1987
DVK-3M (248 KB, PDP-11 class) - 1987
Korvet (112-256 KB, Intel 8080 class) - 1987
BK-0011 (128 KB, PDP-11 class) - 1989
Poisk (IBM PC clone) - 1989
Iskra-1030 (IBM PC clone) - 1989
Agat (Apple clone) - 1989
Bashkiria-2M (128 KB, Intel 8080 class) - 1989
Orion-128 (128-256 KB, Intel 8080 class) - 1990
This list is incomplete, it does not include many ZX Spectrum clones.