The Universal Emulator emulates the following old school computers (to varying degrees):

ARM-SHK Bashkiria, Bashkiria-2M, Agat-7, Alesta 520EX, Apogee, BK-0010, BK-0011m, Vector-06ts, Vector Start-1200, Krista-2, DVK, DVK-2, Dialogue, Irisha, Corvette, Baby, Lik, Lvov PK-01, Micro-80, Microsha, MS 2721, Nairi, Ocean-240, Orion-128, Orion-Pro, Partner, PK-6128c, PK 8000 Sura/Vesta/Hobby, PK 8002 Elf, Poisk-1, Radio-86RK, CM 1800, Specialist, Specialist-MX, Junior, Yut-88, Eric, Eureka, Galaxija, Juku, MSX, MSX-2, Robotron 1715, ZX Spectrum 48, and ZX Spectrum 128

Documentation is minimal and in Russian. It does however translate fairly well with Google translate.