A truly server-less, secure instant messaging app built on Tailscale's WireGuard®-based mesh network. No message storage. No central servers. Just direct, encrypted communication.

Tailchat is not affiliated with, endorsed by, or sponsored by Tailscale Inc. Tailscale® and Tailnet are trademarks of Tailscale Inc.

Core Features
🚫 Truly Serverless

No message storage servers. No relay servers except for derp relay servers used by Tailscale®. Messages are sent directly between devices through WireGuard® mesh network, ensuring complete privacy and zero data retention.

🔒 Built on Tailnet

Leverages Tailscale's WireGuard®-based mesh network (Tailnet) for secure, encrypted communication. Messages travel only through your private mesh network, protected by military-grade encryption.
💻 100% Open Source

Every line of code is open source and available for review. Verify the security yourself, contribute to development, or modify it for your needs.

How It Works

Direct Device-to-Device Communication

Messages travel directly between devices through WireGuard® tunnels
No message storage or forwarding servers
Messages exist only on sender and receiver devices
Automatic peer discovery within your mesh network for some platforms. For other platforms, you can manually add peers.

Perfect For
🛡️ Privacy-Focused Users

Those who want complete control over their messages with zero data retention
🏢 Security-Critical Teams

Organizations requiring secure, auditable communication channels
👥 Private Networks
Groups wanting to maintain their own secure communication infrastructure