Wippien Mediator
Filelight v.0.1
BerliOS Download - The Open Source Mediator.
BioDataServer v.1.0
It implements a mediator-wrapper architecture and offers a SQL interface. The data integration is based on user defined intergrated schema and adapter that wrap any kind of data source.
Xing Framework v.beta1
Mediator patter simplifies the controller part implementation.