'''Real Time Object Oriented Modeling''' ('''ROOM''') is a [[___domain specific language]].
ROOM was developed in the early 1990s for modeling of [[Real-time system]]s.<ref>[http://www.lehmanns.de/shop/mathematik-informatik/226929-9780471599173-real-time-object-oriented-modeling Summary of the book "Real-Time Object-Oriented Modeling"]</ref> Originally, theThe maininitial focus was on telecommunicationtelecommunications, even though ROOM can be applied to any event-driven real-time system.
ROOM is supported by the tools [[Object Time Developer]] (commercial) and eTrice<.ref>[http://www.eclipse.org/etrice/ eTrice]</ref> (Open Source).
When [[Unified Modeling Language|UML]] was defined, many elements of ROOM were taken over.