Declarative on-scroll reveal animations.
motion graphics library for the web
Tiny but perfect jQuery scrollbar plugin
A jQuery typing animation script.
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
A fast and fully-featured autocomplete library
For slim progress bars like on YouTube, Medium, etc
:computer: :iphone: A reactive Database for Progressive Web Apps and more
Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS and WASM/WebGL