As soon as I started thinking about the issues of multiple language programs interacting with the same couchdb documents, I immediately started down the primrose path of schemas. Of course, I thought about storing those schemas in couchdb itself, and that meant a json-based schema. There is a reasonably comprehensive approach to javascript schemas that [...]

I’m working on some adapters for CouchDb that should allow programmers to use the same documents in the language of their choice, while supporting instantiation of documents as objects, sub-documents, and relationships between documents.  It’s in the beginning stages, but you can follow along or join in at the Spud project page.