OpenWGA is a Content Management System (CMS) running on the Java Enterprise Edition Platform.

It is used to build, manage and publish websites and content-centric web applications.

The system is developed and maintained by German company Innovation Gate GmbH.

It itself is a web application of the Java Enterprise Edition Platform and is available in two editions: Another part of the platform is the OpenWGA developer studio, an Integrated development environment for developing and testing OpenWGA web applications, based on the Eclipse IDE framework.

WebTML is a syntax of XML-formatted tags, prefixed with "tml:", that mark dynamic parts of page templates, providing mainly data output and flow control beside offering higher level features.