OS X essentiality MacPorts has a convenient command line user interface for querying and browsing available software packages. For instance a simple
"ports info pine” will net:
pine @4.64 (mail) Variants: darwin_9, ssl_plain Description: Pine is a tool for reading, sending, and managing electronic messages that was designed with novice users inmind. Homepage: http://www.washington.edu/pine/ Platforms: darwin License: unknown Maintainers: firstname.lastname@example.org
A more graphical option for the occasional port lookup is to use OS X built-in file indexing system Spotlight that happily provides as-you-type matching of available ports in the local ports tree.