Features:
- Easy to use
- Customizable colours
- Remembers the last used settings
- Automatically reconnects to the serial port if the connection is lost
- Can log data to a file
- Displays data in different formats: ASCII, BIN, OCT or DEC
- Plots labeled numeric values from comma-separated serial data in a live sidebar graph
- Can open multiple instances
Depending on your system you may need to add a user to dialout group to open serial ports:
sudo usermod -a -G dialout $USER
Screenshots
Observed history
| App | Change | Version | When ↑ |
|---|---|---|---|
| updated | 0.3.6 | 14 Oct 2026 |
Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
0.3.614 Oct 2026
- Added bar and pie chart types to the live plot.
- Added a plot-type selector and show visible-sample controls only for timelines.
0.3.513 Oct 2026
- Bumped application version for the next release.
0.3.412 Oct 2026
- Replaced the live plot renderer with Matplotlib and added light/dark themes.
- Added a visible-sample slider for the live plot.
0.3.311 Oct 2026
- Moved Live Plot into the resizable sidebar and added device information to a toolbar popover.
- Clear screen now also clears plotted data.



