Tempo is a reliable metronome application designed for musicians of all levels. Built with modern GTK4 and Libadwaita, it provides accurate timing and a distraction-free user experience perfect for music practice.
Key features include customizable tempo (40-240 BPM), multiple time signatures, visual beat indicators with downbeat accents, tap tempo functionality, and keyboard shortcuts for quick control. The high-precision timing engine with drift compensation ensures professional-grade accuracy.
This is free and open source software.
Features include:
- Precise Timing: Sub-millisecond accuracy with drift-free timing engine.
- Customizable Tempo: Set BPM from 40 to 240 using slider, stepper, or tap tempo.
- Time Signature Control: Support for common time signatures (2/4, 3/4, 4/4, 6/8, etc.).
- Visual Beat Indicator: Clear visual feedback synchronized with audio.
- Accented Downbeats: Distinct sound for the first beat of each measure.
- Low-Latency Audio: Optimized GStreamer pipeline for minimal audio delay.
- Modern UI: Clean, adaptive interface following GNOME design principles.
- Keyboard Shortcuts: Spacebar to start/stop, arrow keys for tempo adjustment.
- Settings Persistence: Automatically saves your preferred settings.
Website: github.com/tobagin/tempo
Support:
Developer: Thiago Fernandes
License: GNU General Public License v3.0

Tempo is written in Python. Learn Python with our recommended free books and free tutorials.
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