Open-source writing tools

Ollama

AI writing assistants

Run open large language models locally for private drafting

Stars

★ 184k

Licence

MIT

Updated

today

Alternative to Sudowrite

Open WebUI

AI writing assistants

Self-hosted chat UI for local and remote LLMs

Stars

★ 156k

Licence

BSD-3-Clause

Updated

3 days ago

Alternative to Sudowrite

AppFlowy

Notes & research for writers

Open-source Notion-style workspace you can self-host

Stars

★ 77.6k

Licence

AGPL-3.0

Updated

3 months ago

Alternative to Notion

Real-time preview markdown editor

Stars

★ 62.9k

Licence

MIT

Updated

today

Alternative to Ulysses, Typora

Joplin

Notes & research for writers

Open-source note app with notebooks, search and sync options

Stars

★ 56.8k

Licence

AGPL-3.0

Updated

today

Alternative to Evernote, Notion

Pandoc

Formatting & publishing

Universal document converter for manuscripts and ebooks

Stars

★ 46.6k

Licence

GPL-2.0

Updated

today

Alternative to Vellum, Atticus

Logseq

Notes & research for writers

Open-source outliner and knowledge graph that works offline

Stars

★ 45.3k

Licence

AGPL-3.0

Updated

today

Alternative to Notion, Evernote

Calibre

Formatting & publishing

Open-source ebook library manager and converter

Stars

★ 26.2k

Licence

GPL-3.0

Updated

today

Alternative to Vellum, Atticus

LanguageTool

Grammar & editing

Open-source grammar and style checker with self-hosting option

Stars

★ 15.2k

Licence

LGPL-2.1

Updated

today

Alternative to Grammarly, ProWritingAid

Zettlr

Distraction-free editors

Markdown IDE for writers and researchers with citations

Stars

★ 13.8k

Licence

GPL-3.0

Updated

yesterday

Alternative to Ulysses, Scrivener

Anytype

Notes & research for writers

Local-first knowledge base with peer sync

Stars

★ 8.9k

Licence

MIT

Updated

6 days ago

Alternative to Notion, Evernote

ONLYOFFICE Docs

Grammar & editing

Open-source office editors with strong DOCX compatibility

Stars

★ 7k

Licence

AGPL-3.0

Updated

5 days ago

Alternative to Microsoft Word

Sigil

Formatting & publishing

WYSIWYG and code-view EPUB ebook editor

Stars

★ 7k

Licence

GPL-3.0

Updated

3 days ago

Alternative to Vellum, Atticus

Vale

Grammar & editing

Command-line prose linter with custom style guides

Stars

★ 6.3k

Licence

MIT

Updated

3 days ago

Alternative to Grammarly, ProWritingAid

ghostwriter

Distraction-free editors

Markdown editor with a clean preview, from the KDE project

Stars

★ 5k

Licence

GPL-3.0

Updated

2 days ago

Alternative to Ulysses, Typora

ink / inklewriter

AI writing assistants

Open narrative scripting language from inkle for interactive fiction

Stars

★ 5k

Licence

MIT

Updated

5 months ago

Alternative to Scrivener

LibreOffice Writer

Grammar & editing

Full free office word processor with styles and export

Stars

★ 4.5k

Licence

MPL-2.0

Updated

today

Alternative to Microsoft Word

novelWriter

Novel & long-form writing

Markdown novel editor with a project tree and plain-text storage

Stars

★ 3.2k

Licence

GPL-3.0

Updated

today

Alternative to Scrivener, Ulysses

Twine

Worldbuilding & plotting

Open-source tool for nonlinear interactive stories

Stars

★ 2.9k

Licence

GPL-3.0

Updated

12 days ago

Alternative to Plottr, Campfire

Manuskript

Novel & long-form writing

Open-source novel organiser with outliner, index cards and story line

Stars

★ 2.5k

Licence

GPL-3.0

Updated

1 month ago

Alternative to Scrivener, Dabble

bibisco

Novel & long-form writing

Novel-writing app focused on characters and architecture of the story

Stars

★ 770

Licence

GPL-3.0

Updated

2 years ago

Alternative to Scrivener, Dabble

FocusWriter

Distraction-free editors

Full-screen distraction-free writer with goals and themes

Stars

★ 721

Licence

GPL-3.0

Updated

11 days ago

Alternative to Ulysses, Scrivener

Scribus

Formatting & publishing

Open-source desktop publishing for print layouts

Stars

★ 640

Licence

GPL-2.0

Updated

yesterday

Alternative to Adobe InDesign, Vellum

Starc

Screenwriting

Modern open-source screenwriting app from the KIT Scenarist team

Stars

★ 401

Licence

GPL-3.0

Updated

6 days ago

Alternative to Final Draft, WriterDuet

Open-source screenplay editor with research and statistics

Stars

★ 352

Licence

GPL-3.0

Updated

3 years ago

Alternative to Final Draft, WriterDuet

Trelby

Screenwriting

Free multi-platform screenwriting program in Python

Stars

★ 350

Licence

GPL-2.0

Updated

11 months ago

Alternative to Final Draft, Fade In

Apostrophe

Distraction-free editors

GNOME markdown writer with a focus mode

Stars

★ 111

Licence

GPL-3.0

Updated

yesterday

Alternative to Ulysses

WaveMaker

Novel & long-form writing

Browser-based novel planner and writer with cards and manuscript view

Stars

★ 19

Licence

GPL-3.0

Updated

7 months ago

Alternative to Scrivener, Plottr

Fountain tools

Screenwriting

Plain-text screenplay format with many free editors

Licence

MIT (format spec)

Status

Open source

Alternative to Final Draft, Fade In