I work in windows form in visual studio 2015 using c# Language

And I need to generate data matrix to name and phone and address

So that how to do that please using data matrix barcode 2d without using

Commercial library

Are there are any open source or free library can I use it to generate data matrix 2d

Barcode for name and phone and address?

I can do it by qr message toolkit library

But data matrix what I can use which library or c# code I use for generating?