Rico 2.0 – open source JavaScript library for developing rich Internet applications (RIAs).

PopojiCMS is one of the content management system created with a simple concept to facilitate each individual to manage the website. With the concept of joint and native php oop, ordinary web developers can quickly understand the structure of the engine PopojiCMS.

Silex is a free and open source software that allows to create Flash and Html websites directly in the browser without writing code.

The PHP Smart.Framework (smart framework php) is a free, BSD licensed, open-source web framework that claims to fit small, medium as well as large web projects.

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.

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

File Manager Hosting on Linux Servers.

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.

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

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

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

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

JSP Hosting on Linux Servers.

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".

Java Hosting packages 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.