Magnific Popup - The greater part of Lightbox modules will completely preload a picture before showing it.
ColorBox jQuery Plugin - ColorBox: light-weight, customizable lightbox plugin for jQuery 1.3 & 1.4
Featherlight.js - Featherlight is a very lightweight jQuery lightbox plugin.
Font Awesome - Font Awesome makes it easy to add vector icons and social logos to your website. And version 5 is redesigned and built from the ground up!