Fat-Free Framework is an open-source web framework distributed under the GNU General Public License and hosted by GitHub and Sourceforge. The software seeks to combine a full featureset with a lightweight code base while being easy to learn, use and extend.

Unit testing framework for Javascript

FuelPHP is an open source web application framework written in PHP which implements the HMVC pattern.

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.

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The Pop PHP Framework a free and open source PHP Web framework.

Echo is a standalone JavaScript lazy-loading image micro-library.

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

Adult Java Hosting packages 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.

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

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".

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LogicalDOC is a free document management system that is designed to handle and share documents within an organization.

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

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