Inclusive Components Pattern Library, a project by Heydon Pickering
A blog trying to be a pattern library, with a focus on inclusive design. Each post explores a common interface component and comes up with a better, more robust and accessible version of it.

Heydon has written What the Heck is Inclusive Design? on 24 ways to impress your friends. His article is from 2016 and very much valid in 2021.