Flakes
Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.
Redhooks
Predictable state container for React apps written using Hooks
Batman
Fighting Crime and Kicking Apps
Radial Menu
A highly customizable radial menu that's very easy to setup.
Ink
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping
YUI3
YUI is a free, open source JavaScript and CSS library for building richly interactive web applications.
Durandal
A cross-device, cross-platform client framework written in JavaScript and designed to make building Single Page Applications (SPAs) easy to create and maintain.
Framework7
Full Featured HTML Framework For Building iOS & Android Apps
Backbone Marionette
Make your Backbone.js apps dance with a composite application architecture!
Flux
Application Architecture for Building User Interfaces
Famous
Famo.us is a powerful JavaScript framework designed to build rich, interactive web applications. It is the only framework that provides an open source 3D layout engine fully integrated with a 3D physics-based animation engine that can render to DOM, Canvas, or WebGL. Famo.us is currently in public beta.
Flight
A lightweight, component-based JavaScript framework
Inkline
Inkline is the customizable Vue.js UI/UX Library designed for creating flawless responsive websites.
Qooxdoo
A Universal JavaScript Framework
Cube.js
📊 Serverless Analytics Framework
Layr
Dramatically simplify full‑stack development
Montage
Core framework: Montage simplifies the development of rich HTML5 applications by providing modular components, real-time two-way data binding, CommonJS dependency management, and many more conveniences. Join us on irc.freenode.net#montage or https://groups.google.com/d/forum/montagejs