Clipboard.js - A modern approach to copy text to clipboard No Flash. No dependencies. Just 2kb

https://clipboardjs.com/

Vivus.js - A lightweight JavaScript class (with no dependencies) that allows you to animate SVGs, giving them the appearence of being drawn.

https://maxwellito.github.io/vivus/

Mo.js - motion graphic javascript library for the web for creating stunning animations.

http://mojs.io/