opencpn(1) on Linux
The text d1bc26a7bd90, as Debian 11 (Bullseye) shipped it.
Chartplotter and GPS Navigation Software
Flags it lists
-
--help -
--loglevel -
-fullscreen -
-h -
-l -
-no_opengl -
-p -
-parse_all_enc -
-rebuild_gl_raster_cache