otpclient(1) on Linux
The text c5038cdcf998, as Debian 13 (Trixie) shipped it. The page shows this text now.
Simple GTK+ software to generate OTPs (TOTP and HOTP)
Flags it lists
-
--display -
--help -
--help-all -
--help-gapplication -
--help-gtk -
-h