React Easy Flip
⚛ A React library for smooth FLIP animations. Easily animate originally unanimatable properties like DOM positions with one hook.
Morpheus
A Brilliant Animator
Between.js
Lightweight JavaScript (ES6) tweening engine
Loaderz
:zap: A very easy-to-use, blazing fast asset-loader using promises. Support older-browsers and preload images, audios and videos.
Smooth Scrollbar
Customizable, Pluginable, and High Performance Scrollbars!
Particles.js
A lightweight JavaScript library for creating particles
Skrollr
Stand-alone parallax scrolling library for mobile (Android + iOS) and desktop. No jQuery. Just plain JavaScript (and some love).
Scroll Reveal.js
Declarative on-scroll reveal animations.
Sysend.js
Web application synchronization between different tabs
Odometer
Smoothly transitions numbers with ease. #hubspot-open-source
Effeckt.css
A Performant Transitions and Animations Library:
Zenscroll
A JavaScript module to smooth-scroll web pages and other scrollable elements
Pace
Automatically add a progress bar to your site. #hubspot-open-source
Real Shadow
Module that casts photorealistic shadows
Animate Transition
Library for transition animations between blocks (pages) in the application.
Animsition
A simple and easy jQuery plugin for CSS animated page transitions.
Sly
JavaScript library for one-directional scrolling with item based navigation support.