Pgen is password generator.
$ pgen --help
password generator
Usage:
pgen [flags]
Flags:
-c, --comment string password comment
--digit include digit (default true)
-h, --help help for pgen
-l, --list list password
--lower include lower letters (default true)
-s, --size int password size (default 16)
--upper include upper letters (default true)
-v, --version print version information