Managing Backup Files
Plesk Control Panel

CakePHP is an open-source web framework. It follows the model–view–controller (MVC) approach and is written in PHP, modeled after the concepts of Ruby on Rails, and distributed under the MIT License.

Tiki is a CMS/Groupware which offers a large number of features "out-of-the-box" arguably more than any other Open Source Web Application. It can be overwhelming, even to an experienced user or administrator.

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

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.

Webix is a JavaScript and HTML5 framework for developing cross-platform HTML5 and CSS3 compatible applications.

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

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

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

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".

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

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

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

Java Hosting packages on Linux servers.

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