license

deno install \
    --unstable \
    --allow-write \
    --allow-read \
    --allow-run \
    --allow-env \
    -n license \
    https://deno.land/x/license/cli.ts

$ license
Usage: license [options] [command]

Options:
  -v, --version                   output the version number
  -h, --help                      display help for command

Commands:
  ls                              List the licenses.
  tags|tl                         List all permissions, conditions and
                                  limitiations that exists.
  info <license>                  Show information about a license.
  tag|t <name>                    Get information about a permission,
                                  condition or a limitation.
  generate|g [options] <license>  Generate a license.
  help [command]                  display help for command