The Best 105 PlantUML Alternatives

  • Graphviz

    Graphviz is open source graph visualization software. It has several main graph layout programs. It also has web and interactive graphical interfaces, and auxiliary tools, libraries, and language bindings.

    Free Open Source Mac OS X Windows Linux Web

  • StarUML

    StarUML is a program to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform.

    Commercial Mac OS X Windows Linux

  • Umbrello

    Umbrello UML Modeller is a Unified Modelling Language diagram programme for KDE. UML allows you to create diagrams of software and other systems in a standard format.

    Free Open Source Mac OS X Windows Linux

  • 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.

    Free Open Source Windows

  • 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).

    Free Personal Windows

  • ThinkComposer

    Create deep visual documents, adaptable and multi-level diagrams, flowcharts, concept maps, mind maps and models. Users can: - Define their own types of nodes and connectors, to reuse nomenclature, symbols, details structure.

    Free Open Source Windows

  • mockingbird

    mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application. It is not Flash based.

    Commercial Web

  • Bonita BPM

    Bonita BPM is a BPM-based application platform that is designed to help users build highly engaging, personalized business applications that can be continuously updated to adapt to business changes in real time. .

    Free Open Source Mac OS X Windows Linux

  • Calligra Flow

    Calligra Flow is an easy to use diagramming and flowcharting application with tight integration to the other Calligra applications. It enables you to create network diagrams, organisation charts, flowcharts and more.

    Free Open Source Mac OS X Windows Linux BSD

  • Lovely Charts

    Browser based Chart and Diagram tool. Requires sign up. Free account allows one diagram to be saved. Very easy to use, professional looking.

    Commercial Mac OS X Windows Linux iPad Web

  • MyDraw

    MyDraw is an advanced diagramming software for drawing flowcharts, org charts, mind maps, network diagrams, floor plans, UML diagrams and business diagrams.

    Commercial

  • Diagram Designer

    Simple vector graphics editor for creating flowcharts, UML class diagrams, illustrations and slide shows.

    Free Windows

  • Diagramo

    Diagramo is an online flowchart software - diagrams (create, edit and share) - organization charts (create, edit and share) - network diagrams (create, edit and share) - graphs (create, edit and share)

    Free Open Source Web

  • ProcessOn

    Free html-5 based on-line diagrams design, an ideal tool for visual communication .

    Free Mac OS X Windows Linux Chrome OS Web

  • ARIS Express

    ARIS Express is based on the proven ARIS methodology and industry standards. Its intuitive user interface and the latest improvements in modeling assistances enable instant results.

    Free Windows

  • Diagrammix

    Diagrammix is a tool for efficiently building attractive diagrams. If you are an office worker, developer, manager, supervisor, student or home user you can draw almost anything in extremely simple and intuitive way.

    Commercial

  • IYOPRO

    IYOPRO, Improve your Processes, is a professional online BPM and workflow system that utilizes the BPMN 2.0 standard. Run it in less than one minute - without installation - always in the latest version.

    Freemium Mac OS X Windows Linux Web

  • MindSky

    MindSky is a place for all your notes and ideas. It allows you to organize thoughts in a way nowhere else does. Highlight and share articles or ideas with others. It's designed to be simple.

    Free Android Android Tablet Web