Just as I was thinking MongoDB was the bees knees. This pops up…

pickled-object-database - Google Code

… which despite being a clever fudge in which objects are picked (aren’t we all) into a SQLite database does have the advantage of being a SQLite database. Which means that you can run it on a shared server and use existing tools to browse the data you create.

This definitely wins the have your cake and eat it category for storing data this week.