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WonderCMS is a completely free open source Content Management System, or in other words, a free website builder.

Unit testing framework for Javascript

Nucleus CMS is a flexible and easy to install content management system, aka blog software. It helps you to publish a website and lets writers do what they are best at: writing items or articles, without having to worry about formatting and markup.

Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers, which lets JavaScript avoid using unimplemented features or use a workaround such as a shim to emulate them.

Wijmo is a line of HTML5 and JavaScript products for enterprise application development.

li3 (formerly lithium) is a full-stack web framework, for producing web applications.

Serendipity is a PHP-powered weblog application which gives the user an easy way to maintain an online diary, weblog or even a complete homepage. While the default package is designed for the casual blogger, Serendipity offers a flexible, expandable and easy-to-use framework with the power for professional applications.

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

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

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

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

JSP Hosting on Linux Servers.

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

Private JVM hosting with pre-installed Tomcat server.

Java Hosting packages on Linux servers.

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