- Updated: March 27, 2026
- 5 min read
Colibri: Open‑Source Chat Platform Built on the AT Protocol
Colibri is an open‑source chat platform built on the AT Protocol that gives communities full data ownership, public discoverability, and native Bluesky integration.
Colibri: The Open‑Source Chat Platform Redefining Community Ownership
Tech enthusiasts and developers looking for a decentralized alternative to Discord or Slack now have a compelling option: Colibri. Launched as a community‑first solution, Colibri leverages the AT Protocol to make every conversation publicly searchable while keeping the underlying data under the control of its users. This article dives deep into Colibri’s feature set, its data‑ownership model, how it stacks up against the market leaders, and why its integration with Bluesky matters for the future of social chat.
Feature Overview
Real‑time Text, Voice, and Video
Colibri supports instant text channels, drop‑in voice rooms, and lightweight video calls. Whether you’re running a developer meetup, a gaming clan, or a hobbyist forum, the platform scales from a handful of participants to thousands without sacrificing latency.
Open‑by‑Design Architecture
Because the platform is built on the AT Protocol, every public message is automatically indexed on the decentralized network. New members can discover communities simply by searching the protocol’s public feed—no invitation‑only walled garden required.
Robust Moderation Toolkit
Colibri includes built‑in moderation actions such as message deletion, user bans, and re‑entry prevention. The UI mirrors familiar patterns from Discord and Slack, so moderators can act quickly without a steep learning curve.
Customizable UI with Tailwind‑Styled Components
The interface is built with Tailwind CSS, offering a clean, responsive design that feels modern yet familiar. Developers can extend the UI with custom components or themes, keeping the look consistent with their brand.
Future‑Ready Private Spaces
While the default is public, the Colibri team is tracking AT Protocol updates that will enable encrypted private rooms. When those capabilities land, communities will enjoy the best of both worlds: public discoverability and private confidentiality.
Data Ownership & Transparency
Unlike proprietary platforms that lock data behind closed servers, Colibri stores messages on the user’s personal data server (PDS) associated with their AT Protocol profile. This means:
- Full Portability: Export your chat history at any time without vendor lock‑in.
- Auditability: Every message is a signed record on the decentralized ledger, making tampering virtually impossible.
- Community Transparency: Public channels appear as posts on the AT network, allowing anyone to verify the authenticity of discussions.
For developers curious about the underlying infrastructure, the UBOS platform overview provides a comparable open‑source stack that emphasizes data sovereignty.
Colibri vs. Discord & Slack
Below is a concise, MECE‑structured comparison that highlights where Colibri excels and where traditional platforms still hold an edge.
| Aspect | Colibri | Discord | Slack |
|---|---|---|---|
| Data Ownership | User‑controlled PDS (decentralized) | Owned by Discord (centralized) | Owned by Slack (centralized) |
| Public Discoverability | Automatic indexing on AT Protocol | Invite‑only, limited search | Workspace‑restricted |
| Customization | Tailwind‑based UI, open source | Limited theming, closed source | App Directory, but proprietary core |
| Pricing | Free, self‑hosted; optional UBOS pricing plans for managed services | Free tier, Nitro paid upgrades | Free tier, paid per‑user plans |
| Integration Ecosystem | Native Bluesky, extensible via API | Rich bot marketplace | Extensive third‑party apps |
Seamless Bluesky Integration
One of Colibri’s standout features is its out‑of‑the‑box connection to Bluesky, the decentralized social network also built on the AT Protocol. This integration enables:
- Cross‑Platform Posting: Every public message in a Colibri channel appears as a Bluesky post, expanding reach beyond the chat community.
- Single Sign‑On (SSO): Users can log in with their existing Bluesky credentials, eliminating the need for separate account management.
- Federated Discovery: New members can discover a Colibri community by searching Bluesky hashtags or usernames, driving organic growth.
Developers can further extend this bridge using the OpenAI ChatGPT integration to automate moderation or generate real‑time summaries of channel activity.
Frequently Asked Questions
What is the AT Protocol?
The AT Protocol is a decentralized standard for social networking that enables public, verifiable posts and user‑controlled data storage. It powers both Bluesky and Colibri, ensuring interoperability across apps.
Can I host my own Colibri instance?
Yes. The entire codebase is open source on GitHub. You can deploy it on any cloud provider or on‑premise server, linking it to your personal data server (PDS) for full control.
Is there a mobile app?
Colibri currently offers a responsive web UI that works on all major browsers. A native mobile client is in the roadmap, and the community is already building third‑party wrappers.
How does moderation work?
Moderators can delete messages, ban users, and set channel permissions directly from the UI. All actions are logged on the AT ledger, providing an immutable audit trail.
Will private rooms ever be available?
Private, encrypted rooms are slated for a future release once the AT Protocol adds native end‑to‑end encryption support. The Colibri team has committed to implementing this as soon as the spec stabilizes.
Conclusion
Colibri represents a bold step toward truly decentralized community chat. By marrying the openness of the AT Protocol with a familiar, Tailwind‑styled UI, it gives developers and users the freedom to own their conversations, discover new communities effortlessly, and leverage the growing Bluesky ecosystem.
For teams evaluating a future‑proof chat solution, Colibri’s zero‑cost, self‑hosted model combined with optional managed services (UBOS partner program) makes it a compelling alternative to legacy platforms.
Read the original announcement for more technical details: Colibri platform news.
Looking to accelerate your AI‑driven projects? Check out the AI marketing agents that can auto‑generate community announcements, or explore the UBOS templates for quick start to spin up a custom bot that welcomes new members.
Developers interested in extending Colibri’s capabilities may find the Web app editor on UBOS useful for building companion dashboards, while the Workflow automation studio can automate routine moderation tasks.
Andrii Bidochko
CTO UBOS
Andrii Bidochko is an AI entrepreneur and researcher focused on AI agents, reinforcement learning, and autonomous systems. He writes about the technologies shaping the future of machine intelligence, from frontier models and agent architectures to real-world AI applications.