Embarcadero's Change Manager will support InterBase (and Firebird) this fall, according to PM Gordan Lucas. He even has video evidence!
Change Manager 5.1.1 will add support for InterBase 2007 and 2009 databases to: compare, version, and synchronize schemas; compare, synchronize, move, and mask data; and compare, version, and monitor version configurations for compliance and tracking.
And for any Firebird SQL users out there, you can join the party too because Change Manager will support ver...