SysML Open Source Specification Project - What is SysML? provides information about the SysML Partners and their SysML open source specification project, which created the Systems Modeling Language (SysML) profile of the Unified Modeling Language (UML) for systems engineering applications in 2003. Subsequently, the Object Management Group (OMG) adopted a version of SysML as OMG SysML in 2006, and the Software Development Times awarded the SysML Partners with its "SD Times 100" award for industry leadership in the “Modeling” category award in 2007.

Since then SysML has evolved into the de facto standard for Model-Based Systems Engineeering (MBSE) applications.

Check out our web for information about the SysML Partners and their SysML open source specification project as well as SysML related resources such as SysML Modeling Tools and SysML Training & Certification.

What is the Systems Modeling Language (SysML)?

The Systems Modeling Language (SysML) is general-purpose architecture modeling language for Systems Engineering applications.
• SysML supports the specification, analysis, design, verification and validation of a broad range of systems and systems-of-systems. These systems may include hardware, software, information, processes, personnel, and facilities.
• SysML is a dialect of UML 2, and is defined as a UML 2 Profile (UML customization that defines language extensions via Stereotypes, Tagged Values, and Constraints.)
• SysML is an enabling technology for Model-Based Systems Engineering (MBSE).

For answers to other frequently asked questions regarding SysML (Why use SysML?, Who created SysML?, What is the current version of SysML?, etc.) check out the SysML Frequently Asked Questions (FAQ) page.

The current OMG SysML specification, OMG SysML v. 1.4, and previous SysML versions can be downloaded from the SysML Specifications section.
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Systems Modeling Language and SysML are not usable as trademarks (see SysML open source project Legal Notices). Unified Modeling Language, UML and OMG SysML are trademarks of the Object Management Group. All other product and service names mentioned are the trademarks of their respective companies.