AgileWiki: CowDb, a new kind of Object Store--beta release

AgileWiki explores new knowledge representation. The current effort is on implementing a copy-on-write OODBMS with support for fast deep copies, b-trees, large extensible hashes, simple lists, bush structures and calendars.

CowDb is a new kind of Object Store based on Copy-On-Write technology. It supports fast deep copies, b-trees and large extensible hashes.

http://agilewiki.wiki.sourceforge.net/CowDb