Google Nik Collection

The Google Nik Collection offers several high-quality photo retouching/editing filter profiles for use in Photoshop or Paint.NET.  Below are links to the Collection and how to use the filters within Paint.NET.

https://www.google.com/nikcollection/

http://grandstreamdreams.blogspot.com/2016/05/run-free-google-nik-photoshop-filter.html