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ProWritingAid alternatives · Writing

Open-source alternatives to ProWritingAid

ProWritingAid is not described as open source on its own site. 12 of the 67 other writing tools in this directory are open source, according to their own sites.

ProWritingAid has a free plan. Paid plans start at $10 per month, billed yearly ($120). All of them are free or have a free plan.

12 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

How each one differs from ProWritingAid

  1. LanguageTool

    Grammar and style checker for more than 30 languages

    • LanguageTool starts at $4.99 per month on a 2-year plan ($119.80); $69.90 billed annually. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only LanguageTool lists an iOS app.
    • LanguageTool is open source and self-hostable, according to its own site.
    • ProWritingAid also covers long-form writing.
    LanguageTool vs ProWritingAidLanguageTool pricing and details

  2. LibreOffice Writer

    Free, open-source word processor for Windows, macOS and Linux

    • LibreOffice Writer is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only LibreOffice Writer lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a browser extension.
    LibreOffice Writer pricing and details

  3. Typst

    Markup-based typesetting system with a collaborative web app

    • Typst starts at $7.99 per month, billed monthly ($79.99 billed yearly). ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only Typst lists a Linux app.
    • Only ProWritingAid lists a browser extension.
    • Typst is open source and self-hostable, according to its own site.
    Typst pricing and details

  4. Zettlr

    Free, open-source Markdown editor for academic writing

    • Zettlr is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only Zettlr lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a browser extension.
    Zettlr pricing and details

  5. Manuskript

    Free, open-source novel planner with an outliner and index cards

    • Manuskript is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only Manuskript lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a browser extension.
    Manuskript pricing and details

  6. novelWriter

    Free, open-source plain-text editor for writing novels

    • novelWriter is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only novelWriter lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a browser extension.
    novelWriter pricing and details

  7. bibisco

    Novel planning and writing software built around characters

    • bibisco starts at $3.49 per month for Everywhere sync; desktop Supporters Edition is $69 one-time. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only bibisco lists Linux, iOS and Android apps.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a browser extension.
    bibisco pricing and details

  8. Trelby

    Free, open-source screenwriting program for desktop

    • Trelby is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only Trelby lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a browser extension.
    Trelby pricing and details

  9. Beat

    Free, open-source Fountain screenwriting app for Mac and iOS

    • Beat starts at $11.99 one-time for the iOS app. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only Beat lists an iOS app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a Windows app.
    Beat pricing and details

  10. FocusWriter

    Free distraction-free word processor for Windows and Linux

    • FocusWriter is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only FocusWriter lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a macOS app.
    FocusWriter pricing and details

  11. ghostwriter

    Free, open-source Markdown editor from KDE for focused writing

    • ghostwriter is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only ghostwriter lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a macOS app.
    ghostwriter pricing and details

  12. MarkText

    Free, open-source Markdown editor with in-place live rendering

    • MarkText is free. ProWritingAid starts at $10 per month, billed yearly ($120).
    • Only MarkText lists a Linux app.
    • Only ProWritingAid lists a web app.
    • Only ProWritingAid lists a browser extension.
    MarkText pricing and details

Common questions

Is there an open-source alternative to ProWritingAid?

Yes. LanguageTool, LibreOffice Writer, Typst, Zettlr, Manuskript, novelWriter, bibisco, Trelby and 4 more are open source, according to their own sites.

Is ProWritingAid open source?

ProWritingAid is not described as open source on its own site. The listing was checked on Oct 5, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to ProWritingAid: the alternatives its listing names first, then the tools that share the most features with it.