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JavaScriptMVC is an open-source rich Internet application framework based on jQuery and OpenAjax.

Geeklog is a PHP/MySQL based application for managing dynamic web content.

MochiKit is a light-weight JavaScript library written and maintained by Bob Ippolito.

React (sometimes styled React.js or ReactJS) is a JavaScript library[2] for building user interfaces.

Chyrp is a blogging engine designed to be very lightweight while retaining functionality. It is powered by PHP and has very powerful theme and extension engines, so you can personalize it however you want.

sNews is a completely free, standards compliant, PHP and MySQL driven Content Management System. sNews is extremely lightweight, simple and customizable. It's easy to install, and easy to use via a simple web interface. sNews consists of only one core engine file, one independent template file and its accompanying CSS stylesheet file, plus an .htaccess file that makes all URLs search engine friendly.

Leafpub is an open source blogging platform with inline editing, handlebar templates, and a beautiful user interface.

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

Nette Framework is an open-source framework for creating web applications.

Ametys is a free and open source content management system (CMS) written in Java.

XWiki is a free wiki software platform written in Java with a design emphasis on extensibility.

OpenKM is a Free/Libre document management system that provides a web interface for managing arbitrary files.

JSP Hosting on Linux Servers.

OpenCms is an open source content management system written in Java.

Liferay makes software that helps companies create digital experiences on web, mobile and connected devices.

Java Hosting packages on Linux servers.

Private JVM hosting with pre-installed Tomcat server.

SmartClient is set of mobile and cross-browser HTML5 UI components combined with a Java-based Ajax framework, created by Isomorphic Software to build business web applications.