...
- Apache ServiceMix - an Enterprise Service Bus (the ServiceMix Kernel is based on Felix)
- Apache Sling - a JCR content based web application framework
- Apache Tuscany - an open source implementation of SCA.
- DySoWeb - Offers exceptional deployment capabilities of components to create a modular and extensible solutionA platform for dynamic component deployment.
- OW2 JOnAS - JavaEE application server.
- SIP Communicator - a multi-protocol instant messenger and SIP software phone.