osmo(1) on Linux
The text a0dff8d8424b, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
a handy personal organizer
Flags it lists
-
--calendar -
--check -
--config -
--days -
--help -
--mutt-query -
-? -
-c -
-d -
-e -
-q -
-s