Free Celtx AlternativesNovel Authoring Tools and other similar apps like Celtx

The best free alternative to Celtx is Manuskript, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Celtx and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Celtx are Story Architect (STARC), Quoll Writer, bibisco and Trelby.

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Alternatives list

  1. Manuskript icon

    Manuskript

     171 likes

    Open-source software offering a hierarchical outliner, distraction-free editor, character management, plot tools, Snowflake method support, section multi-organization, customizable writing workflows, cross-platform availability, and export to standard formats.

    129 Manuskript alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Snapcraft
    • Flathub
    • Flatpak
    Manuskript screenshot 1
     
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    2
    Manuskript vs Celtx Comments
    Miki Marshall
    Negative
    4

    Although Manuskript looks great for novels, as far as I can tell from their features list, it does not support screenplay formatting, which is one of the main things you'd want if you're coming from Celtx.

    Snow Code
    Positive
    1

    PERFECT! I love this app, you just need to fill the questions and click on next, ex : Title and metadata > Summary in 1 sentence > Summary in 1 paragraph > Full summary > Character profile > Plots profiles > Worlds characters > Outline > Editor. And you have a lot of other features.

    • Manuskript is Free and Open SourceCeltx is Freemium and Proprietary
  2. Story Architect (STARC) icon

    Story Architect (STARC)

     19 likes

    A smooth yet powerful writing experience for devoted authors. With only wanted features and native workflow it runs faster than all your previous apps combined.

    51 Story Architect (STARC) alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • AppImageHub
    • Flathub
    • Android
    Story Architect (STARC) screenshot 1
     
  4. Quoll Writer icon

    Quoll Writer

     41 likes

    Focus on your words not the interface. Quoll Writer is a writing application that helps you focus on your words. Clean and uncluttered. Feature rich. Features are where you would expect them to be.

    Cost / License

    Application types

    Platforms

    • Windows
    • Mac
    • Linux
    Quoll Writer screenshot 1
     
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    1
    Quoll Writer vs Celtx Comments
    Miki Marshall
    Negative
    3

    Celtx is a dedicated screenwriting program, while this is designed for writing novels and prose. The formatting and processes of each are significantly incompatible.

    • Quoll Writer is Free and Open SourceCeltx is Freemium and Proprietary
  5. Ad
    Screenshot
    Arc Studio Pro icon
    Arc Studio Pro

    Distraction-free screenwriting software featuring real-time collaboration, automated versioning, data backup, comprehensive import and export options including Final Draft, PDF, Word, and Fountain formats, and tools for outlining...

    https://www.arcstudiopro.com
    Learn More
  6. bibisco icon

    bibisco

     86 likes

    Desktop application for novel structuring, offering chapter and scene management, distraction-free text editing, detailed timeline, character interviews, multilingual support, export to publishing formats, revision history, relationship diagrams, and writing goal tracking.

    62 bibisco alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Electron
    • Node.JS
    Novel architecture
     
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    1
    bibisco vs Celtx Comments
    Miki Marshall
    Negative
    2

    Celtx is a dedicated screenwriting program, while this is designed for writing novels. The formatting and processes of each are significantly incompatible.

    • bibisco is Freemium and Open SourceCeltx is Freemium and Proprietary
    • bibisco is Privacy focusedCeltx is not according to our users
  7. Trelby icon

    Trelby

     32 likes

    Trelby is simple, fast and elegantly laid out to make screenwriting simple. It is infinitely configurable.

    34 Trelby alternatives

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Flathub
    • Flatpak
    Trelby
     
  8. Arc Studio Pro icon

    Arc Studio Pro

     1 like

    Distraction-free screenwriting software featuring real-time collaboration, automated versioning, data backup, comprehensive import and export options including Final Draft, PDF, Word, and Fountain formats, and tools for outlining, structure, and revision management.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • iPhone
    Arc Studio Pro screenshot 1
     
  10. Highland icon

    Highland

     4 likes

    With Highland, crafting a perfectly-formatted screenplay is as simple as writing an email. Just type. Highland will make it look good.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • iPhone
    • iPad
    Highland screenshot 1
     
  11. Rayuela Editor icon

    Rayuela Editor

     2 likes

    Rayuela Editor is moderm, privacy-focused writing environment designed for long-form fiction (novels, screenplays, and theses). It bridges the gap between the structural power of Scrivener and the portability of modern web technology, wrapped in a native desktop application.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Dark Mode
     
  12. WriterDuet icon

    WriterDuet

     8 likes

    Collaborative screenwriting for everyone*

    *Great for solo writers as well!.

    12 WriterDuet alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
  13. StudioBinder icon

    StudioBinder

     10 likes

    Web-based video project management platform featuring screenwriting, scheduling, auto-filled call sheets, customizable mood boards, shot lists, and collaboration tools. Centralizes media, integrates contacts, and tracks call sheet deliveries. Includes advanced scheduling and task management.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Chrome OS
    • Software as a Service (SaaS)
    Backup and share files in the cloud
     
  14. Manuscript.no icon

    Manuscript.no

     2 likes

    Modern workspace for novels with ethical AI that analyzes writing but never writes, live readability, import/export, auto-save, full version history, character and plot tools, structured critique, and provenance tracking while ensuring all text remains original.

    51 Manuscript.no alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    Manuscript.no screenshot 1
     
  15. WriterSolo icon

    WriterSolo

     2 likes

    WriterSolo is a free version of WriterDuet professional scriptwriting software that is not synced to any servers.

    15 WriterSolo alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Linux
    • Flathub
    WriterSolo screenshot 1
     
12 of 29 Celtx alternatives