Symfony is a PHP web application framework and a set of reusable PHP components/libraries.

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

A complete JavaScript UI component library that allows you to quickly build eye-catching, high-quality, high-performance responsive web apps using your framework of choice.

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

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.

Website Baker is a PHP-based Content Management System (CMS) designed with one goal in mind: to enable its users to produce websites with ease.

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.

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.

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

Tomcat Hosting on Linux Servers.

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

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".

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

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

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

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.