The Google Closure Library is a broad, well-tested, modular, and cross-browser JavaScript library.

PivotX is free software to help you maintain dynamic sites such as weblogs, online journals and other frequently updated websites in general. It's written in PHP and uses MySQL or flat files as a database.

Fork is an open source CMS that will rock your world.

Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun.

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.

Modernizr is a JavaScript library which is designed to detect HTML5 and CSS3 features in various browsers, which lets JavaScript avoid using unimplemented features or use a workaround such as a shim to emulate them.

Open Real Estate is a free software for building websites of real estate agencies and realtors. It is based on Yii CMF - one of the fast working modern frameworks.

Joose is a complete modern object system for JavaScript based on concepts from many programming languages such as Ruby, Smalltalk, Perl and, well, JavaScript.

Adult Java Hosting packages on Linux Servers.

Java Hosting packages 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".

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

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.

Private JVM hosting with pre-installed Tomcat server.

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

JSP Hosting on Linux Servers.

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

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