







Nostr - Notes and Other Stuff Transmitted by Relays
Nostr is an inclusive communication commons. A simple standard that defines a scalable architecture of clients and servers that can be used to spread information freely. Not controlled by any corporation or government, anyone can build on Nostr and anyone can use it.
Explore Nostr Apps
Join your peers in a healthy social network. Nos is our Nostr client for humans, not algorithms.

@levelsio on Twitter / X
Telegram has 1 billion usersIt's the #1 or #2 chat app in most countries around the worldComplete blindspot for most AmericansAnd NOBODY uses it for its encryption (or lack of it), we use it because it has the best UX of any chat app!Also best API to develop bots with https://t.co/5k9mmJsVb2 pic.twitter.com/Up34W9Wifs— @levelsio (@levelsio) May 28, 2024

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
Introducing Chatto
I'm building an Open Source group chat application that's simple to self-host, familiar to use, and easy to customize.

Building Nostr - A Guide for Developers
Chubby♨️ on Twitter / X
OpenAI is developing the "everything app"OpenAI plans to create a direct competitor to Google Workspace and Microsoft Office with ChatGPT. Drafts for collaborative functions such as joint document editing and multi-user chats have already existed for over a year. The first… pic.twitter.com/4hTXkUH1Mx— Chubby♨️ (@kimmonismus) June 24, 2025

Signal Messenger: Speak Freely
Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

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 Mostr: a Fediverse Nostr bridge - Soapbox Blog
We hope you enjoy getting to know each other, and that this opens new doors for collaboration.

omni social | reclaim your feed
The fun side of the internet. Social video, messaging and more. Built on the AT Protocol.
danny-avila/LibreChat
Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active
This is, at it's core why I hate what openai launched with ChatGPT. It's also why I think social agents are interesting and why Claude Code, as a power tool enabled interesting conversations with my collaborators.
tweety fish
there is a strong intellectual tradition in cognitive science (that goes well beyond Chalmers) around thinking of many of the tools we create (rulers, books, maps, whathaveyou) and a lot of our social interactions as necessarily integrated parts of our cognition and integral parts of our humanity
Hello world, and welcome to the Colibri Alpha! Colibri is an open source chat platform built on the AT protocol. We're happy to get this out just im time for #ATmosphereConf! Read more on our announcement post or visit our website for more! colibri.social colibri.leaflet.pub/3mhxzpvpvps2m
Chats where you truly own your data.
colibri.socialone of the most radical actions the @npmx.dev community took was talking with every single human being who joined our chat server. more than 500 people were welcomed, encouraged to join our open conversations, ask for guidance, share their own ideas, and jump into action when they see opportunities