Open Source MZ-800 emulator for Windows and Linux (SourceForge)
Latest development snapshot binaries of mz800emu (may be a little unstable :-)
Latest development snapshot binaries of mz1500emu - experimental branch of mz800emu
Any programs for MZ-800 in MZF format (CMT files) http://www.scav.cz/download/MZ-800/MZ-800_Software/COM/
Any programs in DSK (Floppy Disk Images) http://www.scav.cz/download/MZ-800/MZ-800_Software/DSK/