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 and Linux.
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.
Tighten, proofread, translate, refine the tone. We’ve got it covered.
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.
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 .dmgOr with Homebrew
brew install --cask catvinci-studio/tap/textusx64
Download .exex64
Download .AppImageTextus 1.0 is out on October 20.
iPhone and iPad: coming soon.
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 on Apple Silicon, Windows and Linux. iPhone and iPad are coming.
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.