Alternatives to UMLet

Microsoft Office Visio

Microsoft Office Visio is a powerful diagramming and vector graphics application. It is part of the Microsoft Office suite and is used to create professional-looking diagrams and flowcharts. It can be used to visualize and share information, create diagrams, collaborate on projec...

Lucidchart

Lucidchart is an online visual collaboration tool used to create, share, and collaborate on all types of diagrams such as flowcharts, mind maps, network diagrams, org charts, and more. It allows users to quickly and easily create complex diagrams without the need for any coding o...

PlantUML

PlantUML is an open-source tool used for creating UML diagrams such as class diagrams, sequence diagrams, activity diagrams, object diagrams, component diagrams, and use case diagrams. It is an easy-to-use and intuitive web-based tool that allows developers to quickly create diag...

Graphviz

Graphviz is a free and open source application for creating and manipulating graph diagrams. It is used for visualizing data networks, creating flowcharts and diagrams, and for drawing directed graphs. It is available as an application for Windows, macOS, and Linux as well as a w...

StarUML

StarUML is a powerful and popular development software and application used for creating software models and diagrams. It is a cross-platform tool that supports Windows, macOS, and Linux. With StarUML, users can create UML diagrams such as class diagrams, sequence diagrams, state...

Visual Paradigm

Visual Paradigm is a powerful development software and application suite that enables users to create, manage, and deploy applications. It offers a variety of features, such as project management, application and database development, and reporting. With its intuitive user interf...

Umbrello

Umbrello is a free and open-source Unified Modeling Language (UML) diagramming application, which is useful to software developers, engineers, and analysts. It is available on the KDE platform, but can also be used from a web browser. It enables users to create diagrams of softwa...

Software Ideas Modeler

Software Ideas Modeler is a powerful, user-friendly UML diagramming and modeling application. It enables software developers, system architects, and business analysts to create diagrams and models of software systems, databases, business processes, and other IT projects. The app...

UML Designer

UML Designer is an open source graphical tool for creating and editing UML (Unified Modeling Language) diagrams. It provides a visual modeling environment for quickly designing UML diagrams such as class diagrams, activity diagrams, sequence diagrams, and use case diagrams. UML D...

Papyrus UML

Papyrus UML is a comprehensive open source modeling environment that enables users to create and edit UML diagrams. It is developed and maintained by the Eclipse Foundation and is an integral part of the Eclipse platform. Papyrus UML is a powerful tool for designing and developin...

WhiteStarUML

WhiteStarUML is a software development tool for creating and editing Unified Modeling Language (UML) diagrams. It is an open source, cross-platform application that allows developers to easily create and share diagrams, models, and documents. It is a powerful and intuitive tool f...

ClickCharts

ClickCharts is a powerful, easy to use, and user-friendly data visualization software. It helps users create stunning charts, diagrams, and flowcharts quickly and easily. It provides a variety of chart types including bar, line, pie, and scatter, as well as numerous templates, da...

Violet UML Editor

Violet UML Editor is a free, open source UML editor and modeling application. It is written in Java and uses the Eclipse Rich Client Platform (RCP). It is an easy to use, intuitive UML diagram editor with a simple user interface. It supports the latest UML 2.5 standard as well as...

UMLGraph

UMLGraph is a Java library and a set of command-line tools for generating UML diagrams from Java source code. It uses a specialized syntax for expressing UML diagrams and generates diagrams in a variety of graphic formats, including SVG and PNG. With UMLGraph, developers can quic...

NClass

NClass is a free and open source software development application designed for Windows and Linux operating systems. It provides a powerful and easy-to-use development environment for creating software applications and libraries. It supports a wide range of programming languages, ...

Discontinued since 2010

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astah Community Edition

Astah Community Edition is a free, open-source software development tool designed to help users quickly create and visualize all aspects of software development including modeling, designing, and coding. It is a powerful, yet simple to use, UML modeling tool which provides an int...

Discontinued Discontinued as of September 2018. No longer available for download.

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BOUML

BOUML (Broken Object-Oriented Unified Modeling Language) is a free UML modeling tool that allows software developers to design and create software applications by visualizing the process. It is designed to be a user-friendly and intuitive tool, allowing users to easily create, te...

ObjectAid

ObjectAid is a development software and application that provides powerful UML (Unified Modeling Language) visualization and editing capabilities. It can help developers in quickly creating and understanding complex object models. It also helps developers in designing and reverse...

MockupTiger

MockupTiger is a web-based application that enables developers to quickly and easily create and prototype web and mobile applications. It provides an intuitive drag-and-drop interface that enables users to rapidly design, build, and preview their apps, with no coding knowledge re...

System Designer

System Designer is a software and application development tool that enables users to design, develop, and deploy custom software solutions. It provides a comprehensive suite of features to help users create, manage, and optimize their applications. Features include a visual desig...

UMLet

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