Managing Backup Files
Plesk Control Panel

Laravel is a free, open-source PHP web framework, intended for the development of web applications following the model–view–controller (MVC) architectural pattern.

TwistPHP is an open-source web framework.

MODX helps you take control of your online content. An Open Source PHP application framework, it frees you to build sites exactly how you want and make them 100% yours. Zero restrictions and fast to build. Super-simple templates in regular HTML/CSS/JS (any lib you want). Registered user systems and a killer community. Welcome to web-building nirvana.

Dotclear is an open-source web publishing software created in 2002 by Olivier Meunier. A one man's project at first, Dotclear soon gathered a team comprising different personalities with various backgrounds.

Mambo is a full-featured, award-winning content management system that can be used for everything from simple websites to complex corporate applications. It is used all over the world to power government portals, corporate intranets and extranets, ecommerce sites, nonprofit outreach, schools, church, and community sites. Mambo's "power in simplicity" also makes it the CMS of choice for many small businesses and personal sites.

FlatPress is a blogging engine that saves your posts as simple text files. Forget about SQL! You just need some PHP.

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.

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

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

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

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

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

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

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

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.