CDN: https://cdnjs.com/
TweenMax/GSAP - GSAP is a suite of tools for scripted, high-performance HTML5 animations that work in all major browsers.
Isotope - Cascading grid layout library.
Swiper - Most modern mobile touch slider with hardware accelerated transitions
FavIco - Make use of your favicon with badges, images or videos.
Intro - Better introductions for websites and features with a step-by-step guide for your projects.
Bowser - A browser detector.
backstretch - Background cover image to any page or element works in IE8