NTuple is a Pythonmodule used by high-energy physicists and astrophysicists to easily and efficiently access ntuple data stored in large ROOT data stores. Specifically, NTuple provides a friendly Pythonic interface to TNtuples and TTrees stored in TFiles
PyADO is a Python DB-API 2.0 compliant interface to Microsoft's ADO (ActiveX Data Objects). This allows a connection to any OLE DB driver/database using standard DB-API code. Written in Python
This simple wrapper module written in Python that allows easy interfacing with a MySQL database and utilizes the MySQLdb module. It requires very little knowledge of actual SQL syntax and is very easy to use.
Paos is a server for Python objects and event notifications, and comes with a client module for network communication and object cache management. Paos is often used in workflow systems and similar applications.