jQuery
jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers.
SASS
Sass is the most mature, stable, and powerful professional grade CSS extension language in the world.
Bootstrap
Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web.
Handlebars
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration.
Slick
the last carousel you'll ever need
Lazy Load
Lazy Load is delays loading of images in long web pages. Images outside of viewport are not loaded until user scrolls to them
Breakpoints.js
breakpoints.js is a lightweight, pure javascript library for attaching callbacks to breakpoints.
ScrollReveal
Easy scroll animations for web and mobile browsers.
jQuery Mousewheel
A jQuery plugin that adds cross-browser mouse wheel support with delta normalization.