Open Source StarUML AlternativesUML Modeling Tools and other similar apps like StarUML
The best open source alternative to StarUML is PlantUML. If that doesn't suit you, our users have ranked more than 50 alternatives to StarUML and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to StarUML are Mermaid, Umbrello, UMLet and PathVisio.
StarUML alternatives are mainly UML Modeling Tools but may also be Diagram Editors or Mind Mapping Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of StarUML.- Free • Open Source
- Mind Mapping Tool
- Diagram Editor
- UML Modeling Tool
111 PlantUML alternatives- Mac
- Windows
- Linux
- Online
- Android
- Chrome OS
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.
- - PlantUML is the most popular Open Source alternative to StarUML.
PlantUML Features
Opinions about PlantUML as a Alternative to StarUML
- Free • Open Source
- Diagram Editor
19 Mermaid alternatives- Mac
- Windows
- Linux
- Online
- Self-Hosted
- JavaScript
- Node.JS
Ever wanted to simplify documentation and avoid heavy tools like Visio when explaining your code? This is why mermaid was born, a simple markdown-like script language for generating flowcharts, Gantt charts and sequence diagrams from text via JavaScript.
- - Mermaid is the most popular Self-Hosted alternative to StarUML.
Mermaid Features
- 48 Umbrello alternatives
- Free • Open Source
- UML Modeling Tool
- Mac
- Windows
- Linux
Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.
- 35 UMLet alternatives
- Free • Open Source
- Diagram Editor
- Windows
UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.
- 73 PathVisio alternatives
- Free • Open Source
- Digital Painting Tool
- Online
PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways. It provides a basic set of features for pathway drawing, analysis and visualization. Additional features as plugins.
PathVisio Features
Graphical modelling open source UML2 tool based on Eclipse environment.
Papyrus UML Features
- 32 Modelio alternatives
- Free • Open Source
- UML Modeling Tool
- Windows
- Linux
- Eclipse
Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI. It allows to draw all UML2 diagrams and specific diagrams for business process modeling. It is easy and powerful with the capacity to add new functionalities to the application.
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...
NClass Features
DiscontinuedSince 2010
- 31 Violet UML Editor alternatives
- Free • Open Source
- UML Modeling Tool
- Mac
- Windows
- Linux
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.
Violet UML Editor Features
- 52 Dynamic Draw alternatives
- Free • Open Source
- Windows
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.
Dynamic Draw Features
- 6 js-sequence-diagrams alternatives
- Free • Open Source
- Diagram Editor
- Online
- Self-Hosted
A simple JavaScript library to turn text into vector UML sequence diagrams. Heavily inspired by websequencediagrams.com, who offer a server-side solution. js-sequence-diagrams uses Jison to parse the text, and Snap.svg to draw the image.
- 35 WhiteStarUML alternatives
- Free • Open Source
- Windows
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.
WhiteStarUML Features
DiscontinuedThe last update is from March 2018.