Writing Apps

40 websites & tools5 open sourceUpdated Oct 22, 2026

Browse 40 writing apps websites and tools from our Productivity directory, including Chronicler, Write.as, and MonsterWriter. 5 of them are open source. Every listing has its own page with details and similar sites, so you can compare before you visit.

35 listings have no confirmed pricing yet. They aren’t included when you filter by price — check the website itself.

Shows listings where the platform is confirmed. Many websites also work on platforms we haven’t recorded.

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Chronicler

github.com/mak-kirkland/chronicler

Chronicler supports offline worldbuilding and a local wiki for writers and game masters, storing notes as plain Markdown files on the computer.

FreemiumPick

Write.as

write.as

Write.as lets people write and publish text online, with options to share posts with friends and family.

Free trialPick

MonsterWriter

monsterwriter.com

MonsterWriter supports academic writing with document editing, citation management, and a LaTeX workspace for students and researchers.

Freemium

LanguageIsAVirus

languageisavirus.com

Language Is a Virus offers writing prompts, creative exercises, interactive writing games, and poem generators for addressing writer’s block.

Infinite Story

infinite-story.com

Infinite Story supports reading and collaborative writing of branching, choose-your-own-adventure stories.

rNote

rnote.flxzt.net

Rnote supports sketching, handwritten notes, and annotations on documents and pictures in an open-source vector drawing app.

Manuskript

theologeek.ch/manuskript

Manuskript is open-source writing software with an outliner for organizing ideas and snippets in a hierarchy.

journaltxt

journaltxt.github.io

Journal.TXT presents a single-text-file format for keeping journals, with dated entries shown in its example.

Diarium

diariumapp.com

Diarium provides a journal and diary app for Windows, Android, iPhone, iPad, and Mac, with photos, maps, tags, reminders, and optional cloud sync.

VulgarLang

vulgarlang.com

Vulgarlang generates constructed languages for fantasy writers and role players, modeling grammar, sounds, vocabulary, and language irregularities.

Chronicler

chronicler.pro

Chronicler supports offline worldbuilding and a private wiki for writers and D&D game masters, with versions listed for Windows, macOS, and Linux.

Gateway Forge

gatewayforge.com

Gateway Forge supports interactive worldbuilding and story development, with custom calendars, document management, and mapping.

STARC

starc.app

Story Architect, also presented as STARC, provides a screenwriting app listed for Mac, Windows, and iPhone, with tools for TV episodes and projects.

ZenPen

zenpen.io

ZenPen provides a minimal text editor with save options for Markdown, HTML, and plain text, designed to keep attention on writing.

RenPy

renpy.org

Create interactive stories with Ren’Py, a visual novel engine for words, images, and sounds on computers and mobile devices.

FreeOpen source

Linked

uselinked.com

Use Linked to journal and record thoughts in a distraction-free setting, as described by its supplied page.

Rnote

github.com/flxzt/rnote

Rnote supports sketching and handwritten note-taking, according to its repository description.

Open source

Heavyweight

heavyweight.cc

Heavyweight helps prepare letters using recipient and topic fields, with examples and templates for workplace and repair requests.

Strand

strand.jinay.dev

Strand lets writers continue shared stories one sentence at a time, creating branching storylines from a common prompt.

jrnl

jrnl.sh

jrnl offers a command-line journal for collecting thoughts and notes, with a natural-language interface and plain-text journal files.

Showing 1–24 of 40 writing apps