Enyo
A JavaScript application framework emphasizing modularity and encapsulation
Next.js
Next.js is a lightweight framework for static and server‑rendered applications.
Golden Layout
The ultimate Javascript layout manager
Stapes
a (really) tiny Javascript MVC microframework
Text Tailor.js
jQuery plugin, tailor made text to fill the height of the parent element or ellipse it if it doesn't fit
Vex
A modern dialog library which is highly configurable and easy to style. #hubspot-open-source
Remodal
Flat, responsive, lightweight, easy customizable modal window jquery plugin with declarative state notation and hash tracking.
Mindb
Database on JavaScript
Mag.js
MagJS - Modular Application Glue
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Between.js
Lightweight JavaScript (ES6) tweening engine
Adapt
Adapt.js serves CSS based on screen width.
101
A modern JS utility library
Itemslide.github.io
A simple and beautiful JavaScript touch carousel
Hermes.js
Message and Error logger implementation
Typecast.js
Typecast.js :: Solving the simple problems
Skrollr Decks
skrollr plugin for fullpage presentation decks