Although no longer an active contributor, I was the founder and original author of the MagicDraw UML^TM online eSchool, and provided hundreds of UML and SysML tips, examples, and tutorials trails.

One of my favourite Unified Modelling Language (UML)^TM tools is MagicDraw UML^TM; I congratulate them on developing a comfortable application at an affordable price, thus enabling entry into the world of Unified Modelling Language (UML)^TM for beginners, and advanced round-trip engineering and diagramming for professionals and educators. Many of the UML examples on this web site were prepared with MagicDraw UML^TM.