Helps you find Open Access copies of paywalled scientific articles, by utilizing Unpaywall and core.ac.uk APIs
https://openaccessbutton.org
https://unpaywall.org
David Shorthouse
Brian B. Griffiths
Ian Tan
jmpk
cbteeple.dev
Samuel Berryman
https://scholarometer.indiana.edu/
CORE
https://camilstaps.nl
Science Research Tools
