JMatos
- A Jini technology for embedded processors. By PsiNaptic. [Commercial]
- http://www.psinaptic.com/j_matos.jsp

IntaMission - AutevoMDI
- A suite of software services and tools to simplify implementation, management and change of distributed systems through their complete life-cycle.
- http://www.intamission.com/

NoodleGlue
- C++/C JNI wrapper generation and runtime system for access to C++ objects from Java. [Commercial]
- http://www.noodleheaven.net/NoodleGlue/

incaX
- An Integrated Development Environment designed specifically for Jini service developers, allowing them to write, compile, test and deploy services all in an integrated environment. [Free and commercial versions]
- http://www.incax.com/

Virtual Ink Corporation
- Offers white board product, mimeo, with simultaneous display on the desktop.
- http://www.mimio.com/

Jini Proxy
- A technology for supporting RMI through firewalls with access control.
- http://www.rmiproxy.com/jini_proxy.html

GigaSpaces
- JavaSpaces implementation; includes product FAQ, downloads, support information, and case studients. [Commercial]
- http://www.gigaspaces.com/

MMBase
- Main site for MMBase, an open source multi media publishing system using the JavaSpaces concept.
- http://www.mmbase.org/