LEAN Library Plug-in
The LEAN Library Plug-in enables off-campus users to access al UT Library content, informs users (on and off-campus) about alternative access and links to Open Access alternatives.

Kopernio
Kopernio platform has recently been acquired by Clarivate (Web Of Science) and offers a legal access plugin to your Chrome and Firefox browser, for fast on-campus and off-campus access. 

Unpaywall
Unpaywall is a free web-browser extension for Chrome and Firefox that indexes papers from more than 5,000 repositories worldwide, including preprint servers and institutional databases.

LibKey Nomad
A Chrome browser extension to meet your users where they are and get them to content fast.
Libkey Nomad has been expanded to work with Web of Science and Scopus.

Google Scholar Button
With the Google Scholar button added to your CHROME or Firefox browser, you get easy access to Google Scholar from any web page. Find full text on the web or in your university library. Select the title of the paper on the page you’re reading, and click the Scholar button to find it.