[azov]

I believe Norton Commander was the original product (for MS DOS), Midnight Commander is its open-source cross-platform clone. FAR Manager is another notable TUI clone of NC.

Windows Commander/Total Commander are also NC clones, but implemented as GUI instead of TUI.

NC was one of the most convenient UIs for managing files, it’s a pity none of the major operating systems adopted this style for their default file managers.

[rzzzt]

Volkov Commander should get an honorable mention here, it is a tiny reimplementation of the NC interface. On the FAR Manager level of complexity DOS Navigator is also notable.