Did you consider Syncfusion's essential Studio for ASP.NET MVC with an Open Source licence?
Open Source Project License
To apply for a free license for open-source development:
•Please make sure you describe how you meet the following criteria:
◦You are the project lead or a manager.
◦You have been working on your open source project for a minimum of 3 months.
◦Your community is active.
◦You have an updated news section on your site.
◦You release updated builds on a regular basis.
• Please provide us with details about you and your project at our Contact Sales form. We will review your application and get back to you via email.
Thanks a lot. The product looks interesting. But where have you found open-source license? Could you please share the link?
Note that it is different than the Community Licence. The Open Source licence seems more appropriate for nopCommerce, but they don't publish much détails. You need to send them the information above first.
If you read the licence here https://www.syncfusion.com/products/communitylicense you see:Can the products be used to build commercial applications?
Grid example: http://mvc.syncfusion.com/demos/web/grid/default
PS: there are other js framework like DOJO or AngularJS based