txtpen Alternatives

txtpen is described as 'As a blogger, I have always wanted a tool to let users highlight text and leave comments. It is so easy to set up and I was surprised by the sheer amount of quality content generated by my readers' and is an website. There are 2 alternatives to txtpen, not only websites but also apps for a variety of platforms, including iPhone, iPad, Google Chrome and Safari apps. The best txtpen alternative is Diigo, which is free.

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Alternatives list

  1. Diigo icon

    Diigo

     305 likes
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    Save web resources, annotate pages and PDFs, highlight and add sticky notes, organize collections with Outliner, sync across devices, filter by tags and folders, share with groups, and access advanced search and flexible privacy for individual or collaborative research projects.

    125 Diigo alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Online
    • iPhone
    • iPad
    • Google Chrome
    • Safari
    • Mozilla Firefox
    Diigo screenshot 1
     

    • Diigo is the most popular Web-based, iPhone & iPad alternative to txtpen.

    • Diigo is the most popular free alternative to txtpen.

    • Diigo is Freemium and Proprietarytxtpen is Free Personal and Proprietary
  2. AnnotateWeb icon

    AnnotateWeb

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    Free website annotation tool for real-time collaboration. No sign-up required.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    AnnotateWeb screenshot 1
     
2 of 2 txtpen alternatives