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Bludit is a simple web application to make your own blog in seconds, it's completly free and open source. Bludit uses flat-files (text files in JSON format) to store the posts and pages, you don't need to install or configure a database.

Vue.js is an open-source progressive JavaScript framework for building user interfaces.

Nibbleblog is easy, fast and free CMS Blog

Zend Framework (ZF) is an open source, object-oriented web application framework.

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

Cannon.js is an open source JavaScript 3D physics engine.

Joomla is an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.

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.

Apache Roller is a Java-based Open Source "full-featured, Multi-blog, Multi-user, and group-blog server suitable for blog sites large and small".

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

OpenWGA is Web Content Management computer software running on the Java Enterprise Edition Platform.

Private JVM hosting with pre-installed Tomcat server.

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

Hippo CMS is an open-source, dual licensed, Content Management System.

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

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