FreeBSD Port Tools includes the following commands:
- port create: create a new port from a template
- port diff: generate a diff against a previous version of the port
- port fetch: fetch distfile(s) of a new version of the port
- port help: display usage summary for port(1) commands
- port test: automate testing a new port or a port update

WWW: https://github.com/skreuzer/porttools/