VDDBMS is a middleware for managing data sources (DBMS) from different vendors to form a virtual DDBMS. It supports fragmentation and replication. The core engine is written in C++. Binding for scripting language is available as well as network access.
The Malete database core is the new basis of OpenIsis,
which has its roots in the UNESCO CDS/ISIS database.
Traditionaly used in libraries; now a general purpose highspeed database.