Theory Maker Alternatives

Theory Maker is described as 'Free web app by Steve Powell for making any kind of causal diagram, i.e. a diagram which uses arrows to say what contributes to what. You make the diagrams just by typing the names of the elements (called variables) in a structured way into a (resizeable)' and is an website in the business & commerce category. There are more than 10 alternatives to Theory Maker, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and iPad apps. The best Theory Maker alternative is Penpot, which is both free and Open Source. Other great sites and apps similar to Theory Maker are PlantUML, Gephi, Graphviz and OmniGraffle.

Theory Maker iconTheory Maker
  3
  • Free • Open Source
  • ...

Theory Maker is a free web app by Steve Powell for making any kind of causal diagram, i.e. a diagram which uses arrows to...

More about Theory Maker
More about Theory Maker
Theory Maker alternatives page was last updated Mar 24, 2025
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  1. Penpot icon

    Penpot

     199 likes
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    Penpot offers open-source design solutions with seamless workflows, including responsive layouts and code inspection in HTML/CSS. Supporting design systems, it enables developers to ship fast using ready-to-use code while ensuring file ownership. Perfect for team collaboration, it's free with premium options.

    61 Penpot alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • ES flagSpain
    • European Union flagEU

    Platforms

    • Online
    • Self-Hosted
    Powerful interaction design tool for designers and developers.

    Properties

    1.  Lightweight

    Features

    1.  UI Design
    2.  Prototyping
    3.  UX Design
    4.  Real time collaboration
    5.  Ad-free
    6.  Cloud Sync
    7.  Dark Mode
    8.  Create UI Components
    9.  Design handoff
    10.  Live Preview
    11.  No Coding Required
    12.  Support for Layers

    Penpot VS Theory Maker

     

    • Penpot is the most popular Web-based & Self-Hosted alternative to Theory Maker.

    • Penpot is the most popular Open Source & free alternative to Theory Maker.

    • Penpot is Freemium and Open SourceTheory Maker is Free and Open Source
  2. PlantUML icon

    PlantUML

     115 likes
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    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.

    113 PlantUML alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • Chrome OS
    Common PlantUML JAR GUI application that will render text file into image.

    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

    PlantUML VS Theory Maker

     

    • PlantUML is the most popular Windows, Android, Mac & Linux alternative to Theory Maker.

    • PlantUML is Free and Open SourceTheory Maker is also Free and Open Source
  4. Gephi icon

    Gephi

     57 likes
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    Gephi is the leading visualization and exploration software for all kinds of graphs and networks. Gephi is open-source and free.

    48 Gephi alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    Gephi screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Extensible by Plugins/Extensions
    2.  Layout
    3.  Exploration
    4.  Graphs
    5.  Interactive Graph Exploration
    6.  Filtering
    7.  Java based
    8.  Data visualization
    9.  3D Renderer

    Gephi VS Theory Maker

     
  5. Graphviz icon

    Graphviz

     72 likes
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    Graphviz is open source graph visualization software. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has important applications in networking, bioinformatics, software engineering, database and web design...

    54 Graphviz alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Graphviz screenshot 1

    Graphviz Features

    1.  Graphs
    2.  Graph editing
    3.  Data visualization

    Graphviz VS Theory Maker

     
  6. OmniGraffle icon

    OmniGraffle

     189 likes
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    OmniGraffle can help you make eye-popping graphic documents—quickly—by providing powerful styling tools, keeping lines connected to shapes even when they’re moved, and magically organizing diagrams with just one click.

    108 OmniGraffle alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • iPad
    OmniGraffle screenshot 1

    OmniGraffle Features

    1.  ER Diagrams
    2.  Self-hosted search
    3.  Flow Chart
    4.  Graphs
    5.  Workflow

    OmniGraffle VS Theory Maker

     

    • OmniGraffle is the most popular iPad alternative to Theory Maker.

    • OmniGraffle is the most popular commercial alternative to Theory Maker.

    • OmniGraffle is Paid and ProprietaryTheory Maker is Free and Open Source
  7. Penrose icon

    Penrose

     3 likes
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    Penrose is a platform that enables people to create beautiful diagrams just by typing mathematical notation in plain text. The goal is to make it easy for non-experts to create and explore high-quality diagrams and provide deeper insight into challenging technical concepts.

    55 Penrose alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • BSD
    • Linux
    • Mac
    • Windows
    Penrose screenshot 1

    Penrose Features

    1.  Data visualization

    Penrose VS Theory Maker

     
  9. Graphs icon

    Graphs

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    Graphs is a simple, yet powerful tool that allows you to plot and manipulate your data with ease. You can import data from two-column files or generate it via an equation. All data can be manipulated using a variety of operations such as the ability to select, cut, translate...

    License model

    • Free • Open Source

    Platforms

    • Linux
    • Snapcraft
    • Flathub
    Graphs screenshot 1

    Graphs Features

    1.  Ad-free
    2.  Dark Mode
    3.  Data visualization
    4.  Graphs

    Graphs VS Theory Maker

     
  10. Ideament icon

    Ideament

     6 likes
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    Lets you easily draw a diagram - mind map, concept map, or flow chart - and convert it to a text outline, and vice versa.

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Windows
    • iPhone
    • Windows Phone
    • iPad
    Ideament screenshot 1
    Discontinued

    The website shows a birth and death date. No downloads available.

    Ideament Features

    1.  Brainstorming
    2.  Concept Mapping
    3.  Outliner
    4.  Flow Chart

    Ideament VS Theory Maker

     

    • Ideament is the most popular iPhone alternative to Theory Maker.

    • Ideament is Freemium and ProprietaryTheory Maker is Free and Open Source
  11. TextQuery icon

    TextQuery

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    TextQuery is a desktop app that lets you import data file as a table, query it using SQL, and create stunning charts from those results.

    License model

    • Freemium • Proprietary

    Platforms

    • Mac
    • Windows
    TextQuery screenshot 1

    TextQuery Features

    1.  Ad-free
    2.  Works Offline
    3.  Autocompletion
    4.  Import CSV Data
    5.  No registration required
    6.  Export to CSV
    7. Microsoft Excel icon  Export to Excel
    8.  Data visualization
    9.  Charts
    10.  Export to JSON

    TextQuery VS Theory Maker

     

  12. Dracula Graph Library

     1 like
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    Dracula is a set of tools to display and layout interactive graphs, along with various related algorithms.

    License model

    • Free • Open Source

    Platforms

    • Online
    Draggable nodes inside Webbrowser

    Dracula Graph Library VS Theory Maker

     

  13. Webgraphviz

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    WebGraphviz is Graphviz in the Browser.

    License model

    • Free • Proprietary

    Platforms

    • Online
    Webgraphviz screenshot 1

    Webgraphviz Features

    1.  Graphs

    Webgraphviz VS Theory Maker

     
11 of 11 Theory Maker alternatives