It is a set of tools to help database applications developers to handle database communication, reporting and printing. It has a solid, stable and easy to use API. It is also GUI toolkit agnostic and portable.
WebPython is a web-application development toolkit, written in Python. It contains a portable object-relational database layer, a Python-object persistence system and a templating engine, among other stuff.
Metakit is an efficient database library with a small footprint. It's a cross between flat-file, RDBMS, and OODBMS.
Keywords: structured storage, transacted, load on-demand, portable, C++, Python, Tcl, instant schema versioning.