Protégé Alternatives

    Protégé is described as 'free, open source ontology editor and knowledge-base framework'. There are six alternatives to Protégé for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPad. The best alternative is yEd Graph Editor, which is free. Other great apps like Protégé are TheBrain (Freemium), Visual Understanding Environment (Free, Open Source), CmapTools (Free) and Unilexicon (Free, Open Source).

    This page was last updated Nov 8, 2019

    1. 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.
      show more
    2. TheBrain helps you organize all your Web pages, contacts, documents, emails and files in a context-driven visual map. Items are linked in a visual network that is designed to mimic the way you think.
      show more

    3. The Visual Understanding Environment or VUE is a free, open source concept mapping application written in Java.


      The project seems no longer developed. Last version, 3.3.0, released in October 2015, can be still downloaded from the official website and from GitHub.

      show more
    4. concept maps on servers, edit their maps synchronously (at the same time) with other users on the Internet, and search the web for information relevant to a concept map.
      • FreeOpen Source
      • Online
      Unilexicon™ a visual editor and taxonomy manager for authoring controlled vocabularies with a content tagging extension.
      No screenshots yet

    5. 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 can also display in a 2D format.
    Showing 6 of 6 alternatives