







Chatto — Self-hostable team chat
Chatto is a fast, fully-featured chat app for teams and communities who care about owning their data.

Chatto Dev Instance
The development instance of Chatto, the lean, self-hostable chat app. Come try the latest builds and hang with the team.

proto instant messenger
AIM-inspired group chat on the AT Protocol. Real-time chat rooms, presence, away messages — a safe space for community.

proto instant messenger
AIM-inspired group chat on the AT Protocol. Real-time chat rooms, presence, away messages — a safe space for community.

Introducing npm i chat – One codebase, every chat platform - Vercel
Chat SDK is now open source and available in public beta. It's a TypeScript library for building chat bots that work across Slack, Microsoft Teams, Google Chat, Discord, GitHub, and Linear — from a single codebase.

What makes a great ChatGPT app | OpenAI Developers
How to build capabilities that make conversations better.


Why Your Community Needs a Home, Not Just a Group Chat
We all crave connection. And when we want to bring people together, the easiest option is to spin up a group chat. But if you’ve ever tried turning a Slack, Discord, or WhatsApp group into a real community, you’ve seen the trade-off

Check out this chat
Use ChatGPT to answer questions, write, create images, complete work, and code—all in one place. Get started for free or download the app.

Dock — Team chat that doesn't suck
Team chat without the bloat. Unlimited search, even on free. No AI tax. No feature overload. Built for startups who ship.

Roomy and community organizing for system change
Roomy is a group messaging app that gives online communities tools for autonomous collaboration — designable spaces not just for chat, but for cultivating a web of shared understanding together. We show how cheap, user-controlled, interoperable data on ATProto can enable online communities to channel impassioned mobilizing into sustained organizing in the shadow of Big Tech's empire.

Peersky Browser (@peersky@mastodon.social)
Attached: 1 image 💬#PeerSky v1.0.0-beta.23 is here! Introducing #PeerChat, a chat that lives on your machine, not a server! - Create rooms for friends or teams with a name, bio, link, and avatar - Direct Messages: start private chats instantly with automatic key sharing - Real-time chat with live updates, emoji reactions, and unlimited file attachments Try it out! 👉 https://peersky.p2plabs.xyz/ Source: https://github.com/p2plabsxyz/peerchat
Shared chat session by @madcla.ws | Tiles
Shared public chat session on Tiles. Powered by ATProto.
Euphony: Visualize Chat Data in Your Browser
I'm building an Open Source group chat application that's simple to self-host, familiar to use, and easy to customize.