People use it to create thier own reports (e.g. html-based) and to import it into other tools such as Requisite Pro. I've released 3: one that produces a basic HTML report, one that converts the ER model into an XML Schema document, and a third that converts the ER model into SQL DDL.

It can be the source of any import so long as you write XSLT (or use other means) to convert the OT XML into a format used by the destination (e.g. XMI).

Scot.

It is done by VEA.

Visio Professional, however, supports ER modeling (but not ORM) except it has no forward engineering functionality. Thus, that XSLT was created to users could at least create a basic schema. It's been quite popular.

Scot.