Not sure if this would count but I'd say some of the software that implemented Shlaer-Mellor OOA and code generation tools of the late 80s/early 90s might be in

Not sure if this would count but I'd say some of the software that implemented Shlaer-Mellor OOA and code generation tools of the late 80s/early 90s might be included here too. Unfortunately can't find a great screenshot other than these: https://www.edrawsoft.com/images/shapes/soft-shlaermellor.png https://www.edrawsoft.com/images/shapes/soft-shlaermellor.pn... https://www.edrawsoft.com/solutions/shapes/shlaer-mellor-ooa.png https://www.edrawsoft.com/solutions/shapes/shlaer-mellor-ooa...