Chart library for Qt [closed]

Answer 1

KD Chart

Answer 2

There's two I know of:

• Qwt

• QtiPlot: the app is paid, but the code is not I think (you can download the source)

Answer 3

QCustomPlot is a rather compact Qt widget for plotting, with the possibility of extension to your needs, under the GPL license. It has no further dependencies and is fully documented, including internal functions.

Check the QCustomPlot website.