The best way to organize your knowledge
Note taking and document organization - reimagined for the era of AI.
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Built for make you more productive
Lighting fast note taking and document organization. Give your favorite AI model the right context - with a single click.
Fastest way to organize your knowledge
Create a note or drop in a file. Tag to projects with a click.
Desktop app for MacOS and Windows
Web app coming soon.
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Local by design
Data is only stored locally on your machine.
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Tap into your favorite LLM
Heelix connects to OpenAI's, Sonnet and Gemini models

Frequently Asked
If you still have questions, send us a message at hello@heelixchat.com
We wanted to reimagine note-taking and document organization for the era of AI and make it lighting fast - so you can easily organize your knowledge and tap into AI with the right context rather than hoping that RAG works.
Our app is designed to work across all Mac and Windows machines with no specific hardware specifications threshold.
The desktop version of the app is completely free - just plug in your API key and you're good to go!
Right now, yes, but we'll add auto-updater in the next iteration of the app.
You can pick the model in the model picker, right now available options include Sonnet 4.0, OpenAI's o-1, gpt-4o and o4-mini, and Gemini. Just sent us a message and we'll add other ones in the next version.