It is restricted to 20 minutes per session , making it suitable only for quick, one-off visualizations or testing the interface.
Finding a "free" version of for Windows is possible but requires understanding the difference between the modern commercial versions and the older open-source releases. While newer versions require a paid subscription, you can still access specific free builds or trials depending on your needs. Official QtiPlot Download Options qtiplot download free windows
The trial version disables project saving and Python scripting. It is restricted to 20 minutes per session
QtiPlot was originally released under the GNU General Public License (GPL). Version is recognized as the last known free release of the program. making it suitable only for quick