Chats where you truly own your data.

LET YOUR COMMUNITY SPREAD ITS WINGS.

Colibri is an open source chat platform built on the AT protocol for communities big and small.

Open in Browser View Source Code
A cloud. A cloud. A cloud.
A cloud. A cloud. A cloud.
Transparency at the center.

OPEN BY DESIGN.

Because Colibri is built on the AT Protocol, your community chats are public and visible to everyone by default. This open ecosystem fosters transparency, makes it easy for new members to discover your community, and ensures your data is never locked behind a walled garden.

We are closely following the protocol's development, and as soon as it supports secure private data, we will implement private spaces so you can have the best of both worlds!

at://enthusiasts
Text Channels
General
Discussions
Voice Channels
Hangout

CHAT, TALK, AND HANG OUT IN REAL TIME.

From quick chats and drop-in voice or video calls to organized forum discussions, Colibri gives your community the perfect space to stay connected and share what matters.

A white, 3D shield with 'at://' written on it.
01100011 01101111 01101100 01101001 01100010 01110010 01101001 00101110 01110011 01101111 01100011 01101001 01100001 01101100 

YOU OWN YOUR DATA.

Your data isn’t trapped on our servers, it's stored within the personal data server that hosts your ATmosphere profile. You can check our FAQ page for more information.

A white, 3D User icon.
A white 3D-looking hammer and wrench. A white, 3D User icon with a checkmark.

EASY MOD TOOLING.

Running more than just a group chat? Colibri allows you to easily block and remove messages, kick members from your community, and stop them from joining again.

The Colibri logo, a hummingbird as a 3D-looking icon. The Colibri logo, a hummingbird as a 3D-looking icon.
No need to learn another app.

A MODERN, SIMPLE, AND FAMILIAR UI.

Colibri's user interface is inspired by other apps like Discord, Teams and Slack. You'll feel right at home with familiar design elements, structures, and features.

A screenshot of the Colibri App UI, with a 'General' channel visible, showing a conversation between two users.
A screenshot of the Colibri App UI, with the user settings for the user's profile visible. A screenshot of the Colibri App UI, with two users in a VC being shown on screen.
Stuff you might ask about.

QUESTIONS? WE’VE GOT ANSWERS.

The AT Protocol (Authenticated Transfer Protocol) is an open, decentralized network originally created by the team behind Bluesky. It lets you truly own your identity and data - your account, posts, and social graph aren't locked into any single platform. With over 40 million users, it's a growing foundation for the next generation of social apps.