Update links.md

Author: stevekrouse

links.md

@@ -58,6 +58,7 @@ title: Link Research
 * [Types, Logic, Semantics, and Verification](https://www.cs.uoregon.edu/research/summerschool/summer15/curriculum.html)
 * [Framer 3](https://www.producthunt.com/posts/framer-3)
 * https://en.wikipedia.org/wiki/Prograph
+* http://www.andescotia.com/products/marten/
 
 ## Researched