Anime is a flexible yet lightweight JavaScript animation library. It works with CSS, Individual Transforms, SVG, DOM attributes and JS Objects.

http://anime-js.com/

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/

X-editable

Library to create editable elements on your page. It can be used with any engine (bootstrap, jquery-ui, jquery only).