Project researches on architecture for business information systems with a focus on object oriented architecture of client/server applications.

Has extended O2 database with schema updates, versioning, rules, views and concurrency control. Added some software engineering tools and evaluated it in two case studies. ESPRIT-III Project 6115; ended in 1995.

LDB is a free object-oriented database management system built on top of SHORE 2.0. It supports ODMG ODL specifications and can handle most ODMG OQL queries using a query optimizer. [Open Source but copyrighted]

Object-oriented client-server database allowing complex queries on material's data. Includes an object editor but no programming language mapping. [Open Source]

An academic project object repository (means e.g. no query language) with typed objects and a hierarchical namespace for C++ and maybe other languages. Serves as low-level storage infrastructure for more advanced database projects. Successor of EXODUS. [Open Source with unclear support state]

Contains a non-standard object model which distinguishes between types and classes. Has parameterized types, metaclasses and support for streaming data. Handles nested transactions. Partial C++ interface. [Open source for non-profit use]