Topcased is described as 'TOPCASED is an integrated System/Software engineering toolkit compliant with the requirements of critical and embedded applications' and is an app in the Development category. There are more than 10 alternatives to Topcased for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPhone. The best alternative is Visual Paradigm. It's not free, so if you're looking for a free alternative, you could try Papyrus UML or Bonita BPM. Other great apps like Topcased are Wondershare EdrawMax (Paid), Enterprise Architect (Paid), MyDraw (Paid) and Software Ideas Modeler (Paid).
Visual Paradigm for UML (VP-UML) is a UML design tool and UML CASE tool designed to aid software development. VP-UML supports key modeling standards such as Unified Modeling Language (UML) 2.4, SysML, ERD, DFD, BPMN 2.0, ArchiMate 2.0, etc.
High performance and scalable visual modeling tool for the planning, design and construction of business architectures, software and systems. With customers based in all industries, Sparx Systems is a leading vendor of innovative modeling solutions.
Bonita BPM is a BPM-based application platform that is designed to help users build highly engaging, personalized business applications that can be continuously updated to adapt to business changes in real time.
MyDraw is an easy to use, yet powerful diagramming software that lets you create a large number of diagrams like flowcharts, organizational charts, mind maps, network diagrams, floor plans, family trees, business model diagrams, and many more.