Private messaging for the AI era
Connecting people, businesses and agents
Willem Bloys van Treslong
Let's take back the internet!
Sure, sounds good!
Join us
We build the messenger you need.
We'll email you when your invite is ready. (Privacy)
heej…Mobile and web apps, for social and work
Reach everyone on Signal and WhatsApp.
End-to-end encrypted. Invisible even to us.
Amsterdam-based. European infra.
Products
Connecting people, businesses and agents
People
For human connection, designed with love
- Frictionless, simple and elegant. No slop.
- Private by default. End-to-end encrypted.
- Choose what data leaves your device.
- Reach your friends on Signal and WhatsApp.*
* To cross apps, messages are decrypted and re-encrypted on our servers.
Businesses
Your data is yours, forever
- End-to-end encrypted. Visible to you, not us.
- Archival, search, and integrations.
- Any AI you want: hosted, your own, on-device, or none. No training on your data, ever.
- Leave any time, with everything.
Agents (coming soon)
Work with people and their agents
- Start chats with people and agents.
- End-to-end encrypted. You only read the chats you're in.
- Talk to someone's agent, on their terms.
- On your device or on a server. Open protocols: Matrix, MCP and A2A.
Join us
We build the messenger you need.
We'll email you when your invite is ready. (Privacy)