Sketch.systems helps software designers think about complex product behavior. Sketch out states, add prototypes, and clarify questions quickly.
Cost / License
- Free
- Proprietary
Platforms
- Online

GenMyModel is described as 'Online modeling plateforme for UML, BPMN2, Database, Flowchart and more. It supports realtime collaboration, centralized model repository, versioning and full traceability' and is a UML Modeling tool in the development category. There are more than 25 alternatives to GenMyModel for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best GenMyModel alternative is Lucidchart, which is free. Other great apps like GenMyModel are PlantUML, Visual Paradigm, Umbrello and StarUML.
Sketch.systems helps software designers think about complex product behavior. Sketch out states, add prototypes, and clarify questions quickly.

Online tool for visual database design. This one web application support seven major database engines: PostgreSQL, MySQL, Microsoft SQL Server, SQLite, Oracle 11g, IBM DB2 and HSQLDB.




Lightweight, powerful, easy to use, UML tool
Software Ideas Modeler is a lightweight and powerful CASE tool. It supports UML 2.2 diagrams and a lot of other ones. Software Ideas Modeler is freeware (for non-commercial use). Commercial user may use this software only after buying.

The PlantText tool is an online tool for quickly creating UML (Unified Modeling Language) diagrams. Unlike most tools, PlantText can build diagrams without the use of a mouse because it is based on PlantUML markup language.

NClass is a free tool to easily create UML class diagrams with full C# and Java language support. The user interface is designed to be simple and user-friendly for easy and fast development. Properties, enums, delegates and other language specific elements are fully supported...



Violet is a UML editor with these benefits: Very easy to learn and use. Draws nice-looking diagrams. Completely free. Cross-platform. Violet is intended for developers, students, teachers, and authors who need to produce simple UML diagrams quickly.

WhiteStarUML is a fork of StarUML with an intent to revive its Delphi code base by updating code to recent Delphi editions, reducing dependence on third party components and fixing bugs and adding new features.




With YAKINDU Statechart Tools, you can easily create complex systems in a visual way. Simulate and test your system’s behavior already while you are modeling.

DBDesigner 4 is a visual database design system that integrates database design, modeling, creation and maintenance into a single, seamless environment.

UMLGraph allows the declarative specification and drawing of UML class and sequence diagrams. The current features are part of an ongoing effort aiming to provide support for all types UML diagrams.

TopCoder UML Tool is an easy to use, consistent modeling tool for use in Design and Development competitions. The new tool was built to model sequence, class, use case, and activity diagrams. On top of that, all those elements can have documentation easily attached to them.




ClassBuilder is freeware CASE tool targeted at the C++ developer, running on Win2K-XP. It lets you create, manipulate and navigate classes, class relations, class members and class methods at a high level of abstraction through a graphical user interface.

