ZURB Foundation is the more common of the two in our index: it runs on 979 websites against 15 for Angular Material. Counts come from real scans, not vendor claims.
Angular Material is a UI component library for Angular JS developers. Angular Material components assist in constructing attractive, consistent, and functional web pages and web applications.
Zurb Foundation is used to prototype in the browser. Allows rapid creation of websites or applications while leveraging mobile and responsive technology. The front end framework is the collection of HTML, CSS, and Javascript containing design patterns.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.