scrollmap
A module for testing if an element is visible in the viewport, then triggers callbacks on execution.
@terwanerik/scrolltrigger
Triggers classes on html elements based on the scroll position. It makes use of requestAnimationFrame so it doesn't jack the users scroll, that way the user / browser keeps their original scroll behaviour. Animations run when the browser is ready for it.
animate-js
This package lets you add triggers on your page for the animate.css package
log-update
Log by overwriting the previous output in the terminal. Useful for rendering progress bars, animations, etc.