Alternatives to Protégé for all platforms with any license

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Web / Online

Indie / Classic

  • yEd Graph Editor icon

    yEd Graph Editor

    yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create...

    Free Mac Windows Linux Web / Cloud BSD

  • TheBrain icon

    TheBrain

    TheBrain helps you organize all your Web pages, contacts, documents, emails and files in a context-driven visual map. .

    Freemium Mac Windows Linux Web / Cloud Android iPhone Android Tablet iPad

  • Visual Understanding Environment icon

    Visual Understanding Environment

    Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool. It is also a non-linear presentation program.

    Open Source Mac Windows Linux

    • Discontinued The last commit to the GitHub repo was made on October 8th, 2015.
  • CmapTools icon

    CmapTools

    This software empowers users to construct, navigate, share, and criticize knowledge models represented as Concept Maps. The toolkit is platform independent and network enabled, allowing the users to build, and collaborate during the...

    Free Mac Windows Linux iPad

  • ConnectedText icon

    ConnectedText

    ConnectedText is a powerful but simple information management system. It is based on wiki principles and is a free-form note-taking and note-management application that allows you to keep an unlimited number of notes in one or many...

    Commercial Windows

  • 3D Topicscape icon

    3D Topicscape

    3D Topicscape is a Personal Information Manager that provides a template loosely based on mind-mapping or concept mapping. It presents the mind map as a 3D scene where each node is a cone (or pyramid, or variation on such a shape). It...

    Freemium Windows

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