The writing app for authors, academics, and worldbuilders who need to plan, write, and collaborate - all in one place.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)




Apps similar to Zettlr include Obsidian, which has a free version. Other options are Joplin, Logseq, Notesnook and AppFlowy. Note-taking Tools like Zettlr are a crowded field, with more than 100 alternatives for Mac, Windows, Linux, the web and iPhone.
The writing app for authors, academics, and worldbuilders who need to plan, write, and collaborate - all in one place.




Free, open-source (MIT) Markdown editor with Typora-style live preview, math, diagrams, wiki links and PDF/Word/HTML export, for macOS, Windows, Linux, iOS and Android.




Stop renting your intelligence to Cloud AI services based on quotas ! LocalProse is a writing workshop forged by and for writers, featuring a generative AI that runs directly on your own machine.




a local-first writing app where every page starts empty: nothing to structure first, nowhere to file it, so the first sentence is the first thing that happens.




An AI-first workspace that unifies your knowledge base, files and workflows. It runs AI agents 24/7 on your data, stores everything as plain Markdown files on disk & supports bring-your-own AI keys.

Combine files, notes, and code in one local vault with AI-powered answers citing the precise files and lines used. No data leaves your device. Indexes 16 languages, tracks history, signs edits, offers 3D visual graphs, encryption for teams, plugins, and is cross-platform.




Aktaba is a first-brain workshop for people who read to produce — essays, papers, arguments, decisions. Instead of frictionless capture that piles up into a note graveyard, Aktaba asks you to think for ten seconds when you capture, so every note lands tagged, placed, and...




Lithic is a bespoke Personal Knowledge Management System (PKMS) built on the powerful TiddlyWiki engine, re-engineered for a modern academic and engineering workflow. It bridges the gap between the database flexibility of TiddlyWiki and the rapid, outlining experience of Logseq.

Plan, write, and structure long-form fiction with offline scene reordering, plot timeline, character mapping, AI writing assistant, notes for world-building, export options, and privacy-first local storage. No subscriptions, one-time payment, or web account required.




WitNote is a macOS writing, reading, and local AI assistant for people who want to keep drafts, notes, research, and ideas organized on their own device.



Fast, lightweight editor for Windows that combines a Markdown knowledge base, a code editor, an SQL client and AI assistant integration.



Marble is a beautiful online Markdown editor and collaborative workspace. Write in Markdown, and a clean note will appear to greet you. You can share a link with collaborators and write together in real time. Add tables, code blocks, math, and Mermaid diagrams.


