EmuTos HUN
As a successful outcome of my conversation with the EmuTOS team, the Hungarian language is now part of the release.
More info:
https://emutos.sourceforge.io/
Snapshots:
https://sourceforge.net/projects/emutos/files/snapshots/
For emulators, use the 256K image. To burn into eproms for real STs use the 192K images (split accordingly to your setup).