These browser extension help you located full-text articles online.
Aaron Tay writes about various topics related to librarianship and electronic resources.
"Aaron Tay is currently Library Analytics Manager, Singapore Management University and before that was E-services Facilitator, Senior Librarian at the National University of Singapore Libraries."
Academic related browser extensions : Browser extensions (Scite/Scholarcy)and improvements to Zotero
This has a great introduction to the most popular browser extensions as well as a discussion of the three mentioned in the title of the article.
A comparison of 6 Access Broker browser extensions Lean Library, Kopernio, Anywhere Access, Libkey Nomad & more
This is a great (but long) discussion of browser extensions to find full-text articles.
If you are looking for information on/from other states, there should be similar information on those states' sites.