StarUML is described as 'Program to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform. The goal of the StarUML project is to build a software modeling tool and also platform that is a compelling replacement of commercial UML' and is a UML Modeling tool in the development category. There are more than 50 alternatives to StarUML for a variety of platforms, including Windows, Linux, Web-based, Mac and Android apps. The best StarUML alternative is yEd Graph Editor, which is free. Other great apps like StarUML are Lucidchart, Microsoft Visio, PlantUML and Mermaid.
Dont lose the advantage of clarity and simplicity to an overly complicated tool - the Poseidon for UML software line lets you get down to work without entanglements in your development environment. Powerful features such as round trip engineering and documentation generation...
UModel is a UML (Unified Modeling Language) software modeling tool from Altova, the creator of XMLSpy. UModel supports all 14 UML 2 diagram types and adds a unique diagram for modeling XML Schemas in UML.
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...
BOUML is a free UML 2 tool box (under development) allowing you to specify and generate code in C++, Java, Idl, Php and Python.
Integrated development environment that can help you define models for your applications in a streamlined manner and test the results.
A Powerful idea processor.It's Open Source and Freeware. Create UML Diagrams, Network Diagrams, Flowcharts and many other types of diagrams with the versatile Dynamic Draw Software.
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.
Gleek helps you collaborate and discuss database design from the earliest stages of development. Gleek’s keyboard-friendly approach to diagrams allows for a fast, optimized workflow. Gleek supports various diagram types, such as UML diagrams like class and sequence, as well as...
Simple vector graphics editor for creating flowcharts, UML class diagrams, illustrations and slide shows.
Sketch.systems helps software designers think about complex product behavior. Sketch out states, add prototypes, and clarify questions quickly.
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.
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.
Austria
EU
Hungary
France
Czechia
Denmark
United States
Greece