How to generate data matrix 2d bar code for c#

Question

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 datamatrix barcode 2d without using

 

commerical library

 

Are there are any open source or free library can i use it to generate datamatrix 2d

 

barcode for name and phone and address ? 

 

I can do it by qr messagetoolkit library

 

but datamatrix what i can use which library or c# code i use for generating ?