Grammar check
It catches every slip. The best editor you’ll have.
Free and open source
You hold the pen. AI keeps your ink flowing.
For macOS, Windows, Linux, iPhone and iPad.
Hamlet, William Shakespeare
Writing
Hamlet, William Shakespeare
For every real number ,
e^{ix} = \cos x + i\sin xAt it becomes Euler’s identity, .
Act | Words | Done |
|---|---|---|
I | 6,998 | ✓ |
II | 5,915 | ✓ |
Export to PDF, Word, HTML and more.
Your writing assistant. It writes with you.
It catches every slip. The best editor you’ll have.
Suggestions for your writing, and fresh ideas.
Your writing assistant knows what you want to write next.
Sentence by sentence, it polishes your writing.
Proofread built in; tighten, translate, change the tone and more, a click away.
It learns your style, remembers what you ask for, and grows with you.
Hamlet, William Shakespeare
Textus works with more than 20 LLMs, and with any LLM that offers an OpenAI-compatible API.
Plugins
Plugins and skills, a click away in Settings › Extensions — on the computer, and most of them on iPhone and iPad too.
An outline becomes a mind map.
Modes, motions and :wq.
Your notes and their links, as a graph.
A folder as a table, board or calendar.
Slides from a document, the Marp way.
Cite from your Zotero library.
Computer onlyCharts from an ECharts option.
Every save kept, any one back.
Privacy
Documents are plain Markdown files, kept wherever you choose.
API keys and sign-ins are stored only on your computer.
AI requests travel directly from your device to the provider you pick.
Download it and write. There is nothing to sign up for.
No analytics, no telemetry, no ads.
MIT-licensed and public, line by line, so anyone can verify all of this.
With a local model through Ollama, your words never leave your computer.
Download
Free and open source, under the MIT license. Version .
Apple Silicon
Download .dmgx64
Download .exeARM64: .exe
x64
Download .AppImageTextus 1.0 is out on October 20.
iPhone and iPad: on the App Store soon (not yet in mainland China).
FAQ
Yes. It is free and open source under the MIT license, with no account and no subscription. If you use Textus AI, your provider bills you directly, or not at all with a local model.
macOS (Apple Silicon and Intel), Windows and Linux, and iPhone and iPad from the App Store (not yet in mainland China).
No. The editor works fully without AI. For Textus AI, connect a provider of your own: sign in with ChatGPT or Claude, add an API key, or run a local model with Ollama.
The editor does, completely. Textus AI needs your provider, unless you run a local model.
Yes: plain .md files, with tables, task lists, footnotes, math and Mermaid. You can export to PDF, Word, HTML and more.