The form above will allow you to search for ports on this site. A completed search will take you to a more complete search page.
However, if you already have the Ports Collection installed on your machine, you may also search by changing to the /usr/ports directory and performing make search name=string. See bsd.port.subdir.mk for all the options.
Another option is to visit FreshPorts.org and either browse the site or subscribe to the lists hosted there.