fdechelle writes “The EyeDB Object Oriented Database Management System (OODBMS) has been officialy released under the Lesser General Public License (LGPL).
EyeDB provides an advanced object model (inheritance, collections, arrays, methods, triggers, constraints, reflexivity), an object definition language based on ODMG ODL, an object query and manipulation language based on ODMG OQL and programming interfaces for C++ and Java.
EyeDB has been developed since 1993 and was first distributed in 1995 under a proprietary licence. It has been used for several projects in molecular biology.”
Link: EyeDB.org
