Ghostly

https://github.com/user-attachments/assets/7f9e11de-4c65-44e9-9763-885664de0d64

Features

• Chat: one invite, as a code, link or QR. Replies, edits, reactions, forwards, voice messages.
• Calls: voice and video, peer to peer. Pick your mic, camera and speaker.
• Files: any size, resumable, checked by digest. Videos and audio play in the chat.
• Groups: private groups of up to 32, communities of up to 256, joined by a link. Files and voice messages too.
• Wallets: Cashu, Lightning, Ark, Spark, Fedimint, on-chain and USDT. Pay in a chat. Mainnet is experimental.
• Identities: prove your Nostr, Pubky, domain, PGP, SSH, Bitcoin address or DID. Your contact's app checks it.
• Apps: mini-apps and games from a store, a link or a chat, signed by their makers and run in a sandbox. Chess with a contact is the first.
• Shared services: share a web app on your localhost with a contact, over the chat's live connection.
• CLI and AI agents: the app's engine without a screen, for bots, scripts and agents.

The app

Get it

• Web: open app.ghostly.tools in any modern browser. Install it as an app on a computer, Android or iPhone.
• Desktop: macOS, Windows and Linux, from the latest release.
• Browser extension: Chrome Web Store (Chrome, Brave, Edge), or the zip on the latest release.
• CLI: npm install -g @ghostlytools/cli (Node 22.12 or newer).

Every platform, step by step: Installation.

How it works

Your app finds your contact's app on a public network, then the two talk directly, encrypted end to end. No Ghostly server sits in the middle, and there is no account to make.

Under the hood: the apps meet on the Mainline DHT, then talk over WebRTC, Iroh or HyperDHT, with the DHT as the fallback. Read the protocol and the WISPs.

Trust

• Every release has SHA256SUMS.txt, signed with GPG key 46A3AC8395F95A6E6D8F1E34819EDEE4673F3EBB (how to check a download).
• Found a flaw? Report it privately: SECURITY.md.
• The security review log: the threat model, what was fixed and how it was proven, what is still open.

Docs

Installation · Build from source · Architecture · Testing · Contributing · All docs

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Built by Miguel Medeiros · MIT License