Opa

Opa is an open source, simple and unified platform for writing web applications. All aspects are directly written in Opa: Frontend code, backend code, database queries...

Free Open Source Mac OS X Windows Linux

emitter.io

Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet Web Windows RT

Pyramid

Pyramid is an open source web framework written in Python and is based on WSGI. It is a minimalistic web framework inspired by Zope, Pylons and Django.

Free Open Source Mac OS X Windows Linux Web Python

total.js

Free web application framework for building Web sites and Web applications using JavaScript, HTML and CSS.

Free Open Source Mac OS X Windows Linux Web

Durandal

Durandal is a cross-device, cross-platform client framework written in JavaScript and designed to make Single Page Applications (SPAs) easy to create and maintain.

Free Open Source Mac OS X Windows Linux

Ractive.js

Ractive.js is different. It solves some of the biggest headaches in web development – data binding, efficient DOM updates, event handling – and does so with almost no...

Free Open Source Mac OS X Windows Linux

ViUR.is

ViUR – the Information System for the Google App Engine™ plattform – is a »sandbox« for designers and developers. With the help of ViUR you can easy build web...

Free Open Source Mac OS X Windows Linux Self-Hosted

Pedestal

Pedestal is a web application framework written in Clojure that aims to bring both the language and its principles to client and server-side development.

Free Open Source Mac OS X Linux

Harp

Harp is a production-ready web server. Rapidly build static sites and client-side applications using , and more—no configuration necessary.

Free Open Source Mac OS X Windows Linux

Chaplin

Chaplin is an architecture for JavaScript applications using the Backbone.js library. Chaplin addresses Backbone’s limitations by providing a lightweight and flexible...

Free Open Source Mac OS X Windows Linux

bitcore

A pure and powerful JavaScript Bitcoin library or blockchain library.

Free Open Source Windows Linux Mac JavaScript

Flexible Datasync

Boost the development of your realtime apps ! Orange backend fitted for mobile, social, collaborative and IoT services.

Free Android iPhone Web

TomP2P

A P2P-based high performance key-value pair storage library.

Free Open Source Mac OS X Windows Linux

Enyo

Enyo is a JavaScript app framework enabling developers build native-quality HTML5 apps that run everywhere — from phones and tablets to PCs and TVs.

Free Open Source Mac OS X Windows Linux Android iPhone

hapi

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...

Free Open Source Mac OS X Windows Linux

flatiron

flatiron is an adaptable framework for building modern web applications. It was built from the ground up for use with Javascript and Node.js.

Free Open Source Mac OS X Windows Linux

Pylons Framework

Pylons Framework is an open source Web application framework written in Python. It makes extensive use of the Web Server Gateway Interface standard to promote...

Free Open Source Mac OS X Windows Linux Web

Bitweaver

Bitweaver is a free and open source web application framework and content management system. Its speed and power are ideal for large-scale community websites and...

Free Open Source Mac OS X Windows Linux BSD Web

Backlift

The easiest way to build and launch web apps Work in your Dropbox using your favorite editor. When you save your files, your website will automatically refresh ...

Freemium Web