The Xerte Project provides a full suite of tools for elearning developers and content authors. Xerte is a fully-featured elearning development environment for creating rich interactivity.
Xerte Online Toolkits is a server-based suite of tools for content authors. Elearning materials can be authored quickly and easily using browser-based tools, with no programming required.
Project Wonderland is a 100% Java and open source toolkit for creating collaborative 3D virtual worlds. Within those worlds, users can communicate with high-fidelity, immersive audio, share live desktop applications and documents and conduct real business. Wonderland is completely extensible; developers and graphic artists can extend its functionality to create entire new worlds and new features in existing worlds.