rqt is a Qt-based framework for GUI development for ROS. It consists of three parts/metapackages<br/><ul><li>rqt (you're here)</li><li><a href="http://ros.org/wiki/rqt_common_plugins">rqt_common_plugins</a>- ROS backend tools suite that can be used on/off of robot runtime.</li><li><a href="http://ros.org/wiki/rqt_robot_plugins">rqt_robot_plugins</a>- Tools for interacting with robots during their runtime.</li></ul>rqt metapackage provides a widget<a href="http://ros.org/wiki/rqt_gui">rqt_gui</a>that enables multiple `rqt` widgets to be docked in a single window.