Frontity is a free and open source framework for building fast WordPress themes using React. In other words, it allows to build a React frontend for a headless WordPress site, which serves its data via the WordPress REST API.
flatiron is an adaptable framework for building modern web applications. It was built from the ground up for use with Javascript and Node.js.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
Serenade.js is a client side framework built on the MVC pattern. It makes it simple to create rich client side applications by freeing you from having to keep the DOM up to date with your data through powerful data bindings.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Seagull is an object oriented framework written in PHP that focuses on best practices, clean code and reusable components.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
eMobc is a framework to develop multiplatform native mobile apps in IOS, Android and HTML5 based in XML.
Cost / License
- Free
- Open Source
Platforms
- Android
- iPhone
- iPad
Less Framework is a CSS grid system for designing adaptive websites. It contains 4 layouts and 3 sets of typography presets, all based on a single grid.
Cost / License
- Free
- Open Source
Platforms
- Online
A rich framework for building web applications and services. hapi is a simple to use configuration-centric framework with built-in support for input validation, caching, authentication, and other essential facilities.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Juiced has many of the same layout features that you know and love, but improves upon them with better mobile targeting, custom column ordering, better alignment options, understandable HTML, and less boilerplate styles.
Phonon is a front-end framework made with mobile and desktop in mind. It offers clear and neutral components that integrate best practices and ideas coming from well-known design styles.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
Faye is a set of tools for simple publish-subscribe messaging between web clients. It ships with easy-to-use message routing servers for Node.js and Rack applications, and clients that can be used on the server and in the browser.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Node.JS
Kango is an cross-browser extension framework, based on web-standards. Now everyone developer familiar with JavaScript can create extensions for all major browsers including even Internet Explorer.
Cost / License
- Free
- Proprietary
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Online
Wee is an extensible front-end web development framework for building responsive websites using Less CSS paired with a powerful JavaScript library.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Online
Webments is a collection of libre frameworks designed with scratch CSS using different design languages.


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Part of the CreateJS group of libraries, EaselJS provides straight forward solutions for working with rich graphics and interactivity with HTML5 Canvas. It exposes an API that is familiar to Adobe Animate developers, but embraces JavaScript sensibilities.




SocketStream is a fast, modular Node.js web framework dedicated to building realtime single-page apps.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Cost / License
- Free
- Open Source
Platforms
- Online
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
An opinionated, battle-tested Backbone + Handlebars framework to build large scale web applications.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Wing is a minimal CSS framework that provides a base of styles, and you don't even need to learn a gazillion class names, all of your elements will be styled automatically. Wing is only 4kb minified.

Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Free and open-source, cross-platform 2D game engine written entirely in C# and based on MonoGame/XNA with additional features on top such as:
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
- Android


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