There are various 3DDashboard web apps that are "linkable". The user guide page that explains this concept says to go to each web app to learn more about that particular app's linkability. 

But where do I find a list of all apps that are linkable?

https://help.3ds.com/2024x/english/dsdoc/exp3dbasicsusermap/exp3dbasics-t-widgetmanage.htm?contextscope=cloud