charts

I am looking for a free Nuget graphing library, or any other third-party library, that also includes radar charts. So far, the "free" ones that I got from the Nuget browser are only free trials. LiveCharts does not have Radar Charts, and don't bother with Microsoft.Chart.Controls, the design is...

Hello! I want to retrieve data from measurement instruments (like force measurement instruments, Voltage, etc...) then show retrieved data on a chart. However, How to connect to these instruments from c#??????