gtklick is a simple metronome with a GTK interface
and native JACK support. It offers four different sounds, arbitrary meters and beat patterns, and a speed trainer. It's possible to save profiles and restore them later.
klick is an advanced JACK-based metronome,
supporting tempo changes, meter changes, and more.
It allows you to define complex tempo maps for
entire songs or performances.
Python bindings for the Torque resource management system.
A flexible I/O tester/benchmarker.