Useful libraries

Form auto-save: http://sisyphus-js.herokuapp.com
Git flow: https://habrahabr.ru/company/at_consulting/blog/283326/
Loading & unloading behavior based on env conditions: http://conditionerjs.com
Javascript motion library: https://github.com/tweenjs/tween.js
Javascript canvas rendering library: http://paperjs.org
Bi-directional live-reload tool: http://livestyle.io
Responsive navigation library: http://responsive-nav.com
One-page scroll library: https://github.com/peachananr/purejs-onepage-scroll
Lightweight jQuery alternative: http://zeptojs.com
Responsive charts: http://gionkunz.github.io/chartist-js/
Javascript animation library: http://greensock.com
Javascript accelerated animation library: http://julian.com/research/velocity/
CSS animation library: https://github.com/daneden/animate.css
Acessibility library: http://allyjs.io
Javascript performance monitor: https://github.com/mrdoob/stats.js
WebGL library: http://threejs.org
Javascript breakpoints library: http://restivejs.com