Optics
Profunctor implementation of Lenses, Prisms, Traversals, Isos, etc.
Canjs
Can do JS, better, faster, easier.
Thinkjs
Use full ES2015+ features to develop Node.js applications, Support TypeScript.
Angular Meteor
Combining the simplicity and power of AngularJS and Meteor
Tungstenjs
Tungsten.js is a modular framework for creating web UIs with high-performance rendering on both server and client.
YUI3
YUI is a free, open source JavaScript and CSS library for building richly interactive web applications.
Hasher
Browser history manager for rich media websites
Lovli.js
A boilerplate for developing react+redux applications with rethinkdb/horizon as realtime database and express for the server.
Flagsmith Frontend
Web App and Mobile App for Flagsmith
Prime
an OOP javascript library for node.js and the browsers
Backbone Marionette
Make your Backbone.js apps dance with a composite application architecture!
Terrificjs
Terrific JavaScript Framework
Straw
Realtime processing framework for Node.js
Regular
a living template engine that helping us to create data-driven component.
Dozerjs
Foundational Framework for NodeJS Web Services
Stapes
a (really) tiny Javascript MVC microframework
Blizzard.js
A promise-based Node.JS library for the Blizzard Battle.net Community Platform API