HIEOS is an open source implementation of, primarily server-side, Integrating the Healthcare Enterprise (IHE) Integration Profiles including Cross Enterprise Document Sharing (XDS.b) and Cross Community Access (XCA) integration profiles.
Jitterbit is an open source integration tool that delivers a quick and simple way to design, configure, test, and deploy integration solutions. It supports many document types and protocols: XML, web services, database, LDAP, text, FTP, HTTP(S), file
A secure message gateway for transporting ebXML, SOAP and custom message formats. Compliant with the OASIS ebXML 2.0 specification and can act in both intermediary and processing MHS roles to provide end-to-end reliable messaging.