SDL-RT development tool PragmaDev Real Time Developer Studio is the first commercial off the shelf tool based on SDL-RT concept.
	SDL-RT based test equipment Eurilogic -a French company- provides an SDL-RT based simulation and test equipment for embedded systems: Tesis.
	SanDriLa SDL-RT diagrams for Visio SanDriLa is an application for the creation of SDL, MSC, TTCN, URN and UML2 diagrams implemented as a Microsoft Visio® add-on.
	SDL Forum Society The aims of the Society, are to promote the Specification and Description Language SDL, to provide and disseminate information on the development and use of SDL, to support education on SDL and to plan and organize the "SDL Forum" series and of events to promote SDL.
	International Telecomunnication Union ITU-T study group 17 defines: SDL as Z.100 MSC as Z.120 SDL combined with UML as Z.109
	Object Management Group The Object Management Group (OMG) is an open membership, not-for-profit consortium that produces and maintains computer industry specifications for interoperable enterprise applications such as UML.