jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
Cliquet : Cliquet is a toolkit to ease the implementation of HTTP microservices, such as data-driven REST APIs.
Logerr : Experimenting with window.onerror, trying to make JavaScript debugging easy.
What does it do?
Provides JavaScript error details in a readable format. ...
TensorFlow.js : A WebGL accelerated, browser based JavaScript library for training and deploying ML models. Use flexible and intuitive APIs to build and train models ...
PeerJS : Peer-to-peer data in the web browser.
PeerJS completes WebRTC as an API abstraction, connection broker, and binary serialization format
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.