glfer(1) on Linux
The text 8c96ace888fa, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
spectrogram display and QRSS keyer
Flags it lists
-
--device -
--file -
--help -
--sample_rate -
--version -
-d -
-f -
-h -
-n -
-s -
-v