PosterChan Knowledgebase
How PosterChan works and why it is built the way it is: long-form Nostr articles. Each one opens in the PosterChan app on poster.place.
In depth 9 articles
Nov 2026Netrunner: an AI agent inside PosterChan that asks before it touches anythingAn AI agent inside PosterChan that asks before every change; its Nostr tools sign through your own signer, so it never sees your nsec.Read the article 
Nov 2026Concord: how PosterChan does community chat on NostrEncrypted community chat on Nostr, Armada-compatible: channels, threads, roles, invites, and voice and video on our own LiveKit.Read the article 
Nov 2026Why I think PosterChan is the best Nostr clientOne app on web, desktop, Android and PosterChanOS: instant from your own cache, private DMs and notes, communities, files, git and streams.Read the article 
Nov 2026PosterChanOS: the NostrOSA Gentoo-based Linux whose desktop is a Nostr client: sign in with your key and your desktop follows you, encrypted to you.Read the article 
Nov 2026I put a dating game inside my Nostr client: meet the WaifusA little dating game inside PosterChan: meet one of five women, talk to her through our own AI, go on dates and share the moments.Read the article 
Nov 2026PBS: I built my own OBS into PosterChan, and going live on Nostr is now one buttonThe PosterChan Broadcast Studio: build a scene from your screen, camera and overlays, press Go Live, and you are live on Nostr.Read the article 
Nov 2026Airwaves: live audio rooms where the server can't listenLive audio rooms where the audio, the shared screen and the chat are end-to-end encrypted, so the server forwards only what it cannot read.Read the article 
Nov 2026PosterChan is the self-hosted Nostr relay I always wanted, and its database is whyPosterChanDB, the event store that replaced Postgres, with production numbers: 5M events, 0.7 s restarts, a 6 ms median query.Read the article 
Nov 2026My home router now runs on PosterChan, and I manage it over NostrDNS ad-blocking, DHCP, firewall, VPN and a web proxy on one box, managed from the PosterChan app and signed with a Nostr key.Read the article
Earlier articles 9
Oct 2026Private, and still yours: why we built PosterChanOS instead of telling you to use TailsPrivate and Secure Nostr Experience over TorRead the article - Aug 2026Introducing PosterChanOS - Nostr-powered Cloud Operating SystemNostr-powered Cloud Operating SystemRead the article
Jun 2026Distributed AI over Nostr using the PosterChan AI StackYour GPU, Their Prompt, Nobody's Cloud: Distributed AI over NostrRead the article 
Jun 2026Gaming with Friends on NostrPlay Classics with FriendsRead the article - Jun 2026Your AI, on Nostr: PosterChan AI is now Nostr-native to the coreNostr nailed the hard part: you own your identity and your data.Read the article
- Jun 2026PosterChan AI Nostr Web ClientA Cyberpunk Nostr Client backed by a powerful WoT Relay and Blossom ServerRead the article
- Jun 2026Introducing PosterChan AI for Nostr - Advanced Relay and Bot FrameworkPosterChan AI started out as a self-hosting LLM solution but now added the best Nostr Relay and Bot framework.Read the article
- Jun 2026Why Nostr Users Should Run PosterChan AI's Built-in Nostr RelayNostr is beautifully simple: you sign notes, relays pass them around, clients read them.Read the article
- Jun 2026Meet Poster-Chan: A Self-Hosted AI That Now Lives on NostrMost AI assistants live in someone else's cloud, behind someone else's login, logging everything you say.Read the article