particles.js - A lightweight JavaScript library for creating particles.
AddThis - AddThis free website tools include share buttons, targeting tools and content recommendations help you get more likes, shares and followers and keep them coming back.
p5.js - JS library for creating graphic and interactive experiences
Buffer - Buffer makes it super easy to share any page you're reading. Keep your Buffer topped up and we automagically share them for you through the day.
Dragula - A drag and drop library for developers
AddToAny - Share buttons by AddToAny, the universal sharing platform for websites and apps.