OpenDescent, decentralised encrypted messenger, no servers, no accounts
Dead drops with onion routing distinguish this from standard P2P messengers like Session.

P2P messenger with no servers when Session and Briar already exist.
Privacy-conscious users seeking alternatives to centralized messaging
Session · Briar · Matrix
Dead drops with onion routing distinguish this from standard P2P messengers like Session.
P2P chat on libp2p, but Signal, Telegram, and Discord handle groups better—and encryption isn't shipping yet.
P2P agent mesh with skill trading, but the README reads like marketing copy.
Serverless P2P messenger with deterministic rendezvous—no coordination infrastructure needed at all.
ICMP Destination Unreachable for NAT traversal is clever protocol-level craft.
Ephemeral PTY mirroring with zero daemons lets you monitor Claude Code from anywhere.