Geomajas is an OSGeo project that provides powerful functionality to realize advanced web GIS solutions. Key features are the integrated client-server architecture, fine-grained security, a stable API, support for multiple data sources, handy widgets and plug-ins and its possibilities for enterprise integration and SDI. The audience will get an overall introduction to the Geomajas web GIS framework covering the project history, the community and activity, key capabilities and functional plug-ins and the project roadmap. All this will be illustrated using live demo's of reference web GIS applications.