CliTester provides a set of RSpec helpers to test command line interfaces by running commands and checking output and exit codes.

Httpotemkin provides tools to mock HTTP servers for system-level tests.

Inqlude is the command line interface for accessing the independent Qt library archive.

Command line client for Project MySelf

Whenever the answer is 'Yes, ship it!' you will need yes_ship_it. It is the ultimate helper in releasing software..