omapd is an open source IF-MAP Server. It currently implements the IF-MAP v1.1 and v2.0 specifications published by the Trusted Computing Group (TCG).
IF-MAP is a HTTPS/SOAP interface with publish/subscribe/search semantics. It was created as part of the Trusted Network Connect (TNC) family of network-security-focused specifications as a way for networked devices to coordinate security metadata, thus its name: Metadata Access Point (MAP). More here: https://code.google.com/p/omapd/