JS library to iterate through every instance of class (or to break a single div into multiple divs) to be able to animate them individually. Useful for animating text char by char or delaying each item in a list.
Simple interactivity directly in HTML
Do you really need a framework library?
CSS Superpowers for HMTL elements. Visual Great for quickly making a basic (usually single page) site.
I found this on Twitter via @prathkum
CSS Grid full-bleed layout tutorial via Josh W Comeau
CSS Shadow Palette Generator via Josh W Comeau
CSS to Highlight any image on your site that doesn’t have alt-text. Via @addyosmani on Twitter.