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Fork is an open source CMS that will rock your world.

Twig.js is a pure JavaScript implementation of the Twig PHP templating language.

Open Real Estate is a free software for building websites of real estate agencies and realtors. It is based on Yii CMF - one of the fast working modern frameworks.

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.

HTMLy is an open source Databaseless Blogging Platform or Flat-File Blog prioritizes simplicity and speed written in PHP. HTMLy can be referred to as Flat-File CMS either since it will also manage your content.

Mahara is an open source e-portfolio system with a flexible display framework. Mahara, meaning think or thought in Te Reo Maori, is user centred environment with a permissions framework that enables different views of an e-portfolio to be easily managed.

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

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

Java Hosting packages on Linux servers.

Google Web Toolkit, or GWT Web Toolkit, is an open source set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java.

eXo Platform is an open source, standard-based, Enterprise Social Collaboration Platform written in Java.

Private JVM hosting with pre-installed Tomcat server.

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

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

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