SiteCake is a drag and drop CMS for simple websites. It lets you publish the content just by dragging it to your web page. It's CMS for static websites, with few pages only, to cover the niche below WordPress level of complexity.

Kirby is a file-based CMS with a beautiful web interface and thousands of customers world-wide.

sNews is a completely free, standards compliant, PHP and MySQL driven Content Management System. sNews is extremely lightweight, simple and customizable. It's easy to install, and easy to use via a simple web interface. sNews consists of only one core engine file, one independent template file and its accompanying CSS stylesheet file, plus an .htaccess file that makes all URLs search engine friendly.

Cappuccino is an open source application framework for developing applications that look and feel like the desktop software users are familiar with.

SproutCore is an open-source JavaScript web framework.

CMS Made Simple provides a fast and easy way to create a professional web site and manage its content, whether it's for a small business or a multinational corporation!

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

File Manager Hosting 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.

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

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

Adult Java Hosting packages on Linux Servers.

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

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

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

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

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.