If you have more technologies from different vendors in your IT environments the InteroperabilityBridges site is the right address for you. A quick description of the portal:

The portal is dedicated to technical collaborative work to improve interoperability between Microsoft and non-Microsoft technologies. In this site, you will find a live directory of freely downloadable technical interoperability Bridges & Labs and related content such as demos, technical guidance and articles. The vast majority of the projects are Open Source. …