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Open Blog is a free and open source blogging platform built using the CodeIgniter PHP framework.

SproutCore is an open-source JavaScript web framework.

The Google Closure Library is a broad, well-tested, modular, and cross-browser JavaScript library.

OctoberCMS is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. A simple and modular CMS that grows with you, with a precise and beautiful interface that comes as second nature.

b2evolution is an advanced weblog tool, i-e software allowing you to run your own blogs, newsfeeds or even photo stream.

Pluck is your small and simple content management system, written in php. With pluck, you can easily manage your own website without knowledge of programming languages.

Chaplin is an architecture for JavaScript applications using the Backbone.js library.

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

JSP Hosting on Linux Servers.

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.

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

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

Magnolia is an open-source digital business platform with a content management system (CMS) at its core.

dotCMS is an open source content management system (CMS) written in Java for managing content and content driven sites and applications.

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

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".