> would also be nice if the data could be stored in a human readable structure in a normal filesystem, so your ability to use the data isn't dependent on your ability to run the tool.

This is really important yes!

> Overall I think it is an interesting project but the commercial potential is limited.

Indeed. This kind of tool is mostly limited to hackers, and it is not a big enough market to create a business model I suppose.

This would have to be done for the love of open-source :-)