Open Source Enterprise Java Beans (EJB) Container System and Server. [BSD-style license]

XML Application Server for Apache. Provides on-the-fly conversion from XML to any format, such as HTML, WAP or text using either W3C standard techniques, or custom code. AxKit also uses a built-in Perl interpreter to provide for XML transformation.

Distributed platform compliant with the EJB specifications [MPL-like license]

Java-based application server with XML features, licensed under BSD-like license

Web server and application server which includes support for RXML, a tag-based language for constructing dynamic content. Allows tag plugins to be written in Pike.

A suite of software components for developing object-oriented, web-based applications. [Open Source, Python license]

An open-source project which provides a complete development environment for web applications using only XML and JavaScript.

OpenThought is a Web application engine. Designed to create pages that communicate with web server from DHTML using XML to update portions of page rather than requiring entire page reloads.

Servlet API 2.1 servlet container. It provides HTTP/1.1 compliance and has an easy to use admin interface. [Open Source, GPL]

Java-based framework for portal applications, providing API's and ready-to-use tools for pages, portlets, user management, content management, collaboration and community services. (LGPL)