One could mention the PC-FAND database system (sort of like MS Access) that is f...

One could mention the PC-FAND database system (sort of like MS Access) that is fully TUI and runs in MSDOS, the Czech UCTO accounting software uses it to this day (supports Windows 10 via FreeDOS).

PC-FAND is now on github... I think you should be good with Google Translate https://github.com/alisoss/pcfand