DOMAssistant : The modular lightweight JavaScript library, with CSS selectors, event handling, AJAX and complete Unicode support
JavaScript Templates : For web application developers, the '''JavaScript Templates''' engine from TrimPath is a lightweight APL / GPL open-source component that lets you hav...
yepnope.js : A Conditional Loader For Your Polyfills!
PeerJS : Peer-to-peer data in the web browser.
PeerJS completes WebRTC as an API abstraction, connection broker, and binary serialization format
Uppy File Uploader : Uppy is a sleek, modular file uploader that integrates seamlessly with any application. It’s fast, easy to use and lets you worry about more important...
A lightweight library that provides tools for organizing asynchronous code