System Designer Alternatives

System Designer is described as 'Integrated development environment that can help you define models for your applications in a streamlined manner and test the results' and is an app in the development category. There are more than 10 alternatives to System Designer for a variety of platforms, including Windows, Linux, Mac, Eclipse and Web-based apps. The best System Designer alternative is PlantUML, which is both free and Open Source. Other great apps like System Designer are Visual Paradigm, StarUML, UMLet and Software Ideas Modeler.

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System Designer alternatives are mainly UML Modeling Tools but may also be Diagram Editors or Mind Mapping Tools. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of System Designer.

System Designer

Free • Open Source

Integrated development environment that can help you define models for your applications in a streamlined manner and test the results.

More about System Designer

System Designer alternatives page was last updated Jan 26, 2022

PlantUML
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.
111 PlantUML alternatives
License model
- Free • Open Source
Application types
- Diagram Editor
- Mind Mapping Tool
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- Chrome OS
PlantUML Features
1. Text Based Format
2. Portable
3. Java based
4. VCS Friendly
5. Support for MarkDown
6. Workflow
7. Rendering
8. Create UML entities
9. Flow Chart
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PlantUML VS System Designer
Is PlantUML a good alternative to System Designer?
- PlantUML is the most popular Web-based, Windows, Android & Mac alternative to System Designer.
- PlantUML is the most popular Open Source & free alternative to System Designer.
- PlantUML is Free and Open SourceSystem Designer is also Free and Open Source

Visual Paradigm
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.
74 Visual Paradigm alternatives
License model
- Paid • Proprietary
Application types
- Diagram Editor
- UML Modeling Tool
Platforms
- Mac
- Windows
- Linux
+2
Visual Paradigm Features
1. Ide integration
2. Entity Relationship Diagrams
3. Website wireframing
4. SAML Single Sign-On
5. User story mapping
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Visual Paradigm VS System Designer
Is Visual Paradigm a good alternative to System Designer?
- Visual Paradigm is the most popular commercial alternative to System Designer.
- Visual Paradigm is Paid and ProprietarySystem Designer is Free and Open Source

StarUML
StarUML is a 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...
54 StarUML alternatives
License model
- Paid • Proprietary
Application type
- UML Modeling Tool
Platforms
- Mac
- Windows
- Linux
StarUML Features
Entity Relationship Diagrams
Sequence Diagrams
Export to PDF
Class Diagrams
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StarUML VS System Designer
Is StarUML a good alternative to System Designer?

UMLet
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.
35 UMLet alternatives
License model
- Free • Open Source
Application type
- Diagram Editor
Platforms
- Windows
+7
UMLet Features
1. Extensible by Plugins/Extensions
2. Plug-ins
3. Java based
4. Content Templates
5. Drag and Drop
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UMLet VS System Designer
Is UMLet a good alternative to System Designer?

Software Ideas Modeler
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.
57 Software Ideas Modeler alternatives
License model
- Paid • Proprietary
Application type
- Diagram Editor
Platforms
- Windows
Software Ideas Modeler Features
Code generation
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Software Ideas Modeler VS System Designer
Is this a good alternative to System Designer?

Modelio
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.
32 Modelio alternatives
License model
- Free • Open Source
Application type
- UML Modeling Tool
Platforms
- Windows
- Linux
- Eclipse
Modelio Features
Portable
SysML
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+2
Modelio VS System Designer
Is Modelio a good alternative to System Designer?

Papyrus UML
Graphical modelling open source UML2 tool based on Eclipse environment.
38 Papyrus UML alternatives
License model
- Free • Open Source
Application type
- UML Modeling Tool
Platforms
- Mac
- Windows
- Linux
- Eclipse
Papyrus UML Features
Java based
SysML
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Papyrus UML VS System Designer
Is Papyrus UML a good alternative to System Designer?

NClass
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...
26 NClass alternatives
License model
- Free • Open Source
Platforms
- Windows
NClass Features
Class Diagrams
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Discontinued
Since 2010

NClass VS System Designer
Is NClass a good alternative to System Designer?

Violet UML Editor
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.
31 Violet UML Editor alternatives
License model
- Free • Open Source
Application type
- UML Modeling Tool
Platforms
- Mac
- Windows
- Linux
Violet UML Editor Features
State machine
Sequence Diagrams
Java based
Flow Chart
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Violet UML Editor VS System Designer
Is Violet UML Editor a good alternative to System Designer?

WhiteStarUML
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.
35 WhiteStarUML alternatives
License model
- Free • Open Source
Platforms
- Windows
WhiteStarUML Features
Support for Unicode
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+1
Discontinued
The last update is from March 2018.

WhiteStarUML VS System Designer
Is WhiteStarUML a good alternative to System Designer?

TopCoder UML
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.
22 TopCoder UML alternatives
License model
- Free • Open Source
Application type
- UML Modeling Tool
Platforms
- Mac
- Windows
- Linux
+1
TopCoder UML VS System Designer
Is TopCoder UML a good alternative to System Designer?

BOUML
BOUML is a free UML 2 tool box (under development) allowing you to specify and generate code in C++, Java, Idl, Php and Python.
29 BOUML alternatives
License model
- Free • Proprietary
Platforms
- Mac
- Windows
- Linux
BOUML Features
Code generation
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BOUML VS System Designer
Is BOUML a good alternative to System Designer?