ProjectSpaces is a Wiki, where any member of the db4o Community can contribute to projects on or around db4o.  These are the current sections:

	Tools and Add-Ons	Support Frameworks for Development / Database Exploration and Querying Tools/ Development Support Tools / Add-ons and Plug-ins / Bridges to other Applications / Lightweight Wrappers / Language Bindings or Implementations	42
	Open Source Products	Open Source Products built with db4o.	29
	Educational Projects	Didactic projects around db4o.	11
	Distributions	Open Source distributions supporting db4o.	6
	Incubator	A pool of project ideas.	5
	Product Design	Product design sessions and specifications .	-
	Language Communities	db4o Communities in languages other than English and regional User Groups. Chinese / Hispanic / French	3

(You can access this project section FULL INDEX here) 

Register your db4o-based open source project with the db4o community!

• How do I register my own derivative work with the db4o community?
• What are the benefits of registering my own derivative work with the db4o community, if I use db4o under the GPL?
• Are there any other ways to contribute?

More about the db4o Project in the db4o Project Guidelines