CLUSTER END-CHAT-HOSTED · 36 ENTRIES · EARLIEST ENTRY 2023-07-09

Self-hosted encrypted messengers

This cluster consists of self-hosted, end-to-end encrypted messaging and chat applications that emphasize privacy, data sovereignty, and federated or relay-based architectures. Entries appear intermittently from December 2021 through May 2026, with the largest monthly count being two in May 2026. The top traction signals (Haven, arveil, xsukax-NTFY-Encrypted-Chat) all show zero stars, indicating minimal public engagement.

Entry timeline

ENTRY TIMELINE

MAR 2018: 1APR 2018: 1OCT 2018: 1DEC 2021: 1JUL 2023: 1APR 2025: 1DEC 2025: 2JAN 2026: 2MAR 2026: 1APR 2026: 1MAY 2026: 2JUL 2026: 1AUG 2026: 5SEP 2026: 12OCT 2026: 4
MAR 2018OCT 2026

Members by activity

Activity signals, not revenue.

Build origin · 3 hand-coded · 17 unlabelled

Operator · 12 hobby · 1 commercial · 2 open source · 5 unlabelled

Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 20 listed below. Unlabelled means nothing has decided yet — not that the answer is small.

  1. 01Stashify17★1 mo—CLI tool that provides encrypted, provider-agnostic file storage by using Telegram, Discord, and other messaging services as backends.
  2. 02goop-bin0★23 daysliveopen sourceChat client that exchanges encrypted messages with contacts and automated bots on a decentralized network.
  3. 03termchat-v22★8 days—hobbyTerminal chat application that enables end-to-end encrypted one-to-one messaging through a zero-knowledge relay.
  4. 04hermes-bale-e2ee2★8 days—hobbyBrowser extension that adds end-to-end encryption to a messaging web app for private communication with a self-hosted AI agent.
  5. 05stealth-kitty2★11 days—hobbyEncrypted terminal chat client that lets users talk to Proton Lumo AI as guests or with an account.
  6. 06hollow-chat3★1 mo—Chat app that provides end-to-end encrypted messaging with zero logging and Tor support as an open-source Discord alternative.
  7. 07Haven0★19 dayslivehand-codedopen sourceChat and social client offering end-to-end encrypted messaging and a federated social timeline.
  8. 08NyxChat1★8 days—hobbyTerminal messenger for private conversations, routing messages through an anonymity network with encrypted chats and file transfer, including full Persian and Arabic text support.
  9. 09xsukax-NTFY-Encrypted-Chat0★21 dayslivehand-codedhobbyEnd-to-end encrypted chat client that uses ntfy as relay, with local encryption and no server.
  10. 10larptix0★8 days—hobbySelf-hostable messenger for a small group of friends that provides end-to-end encrypted private chats, account profiles, attachment sharing, and message history.
  11. 11php-private-messenger0★12 days—Self-hosted messenger that lets people run a private chat server with two-factor authentication and secure media sharing.
  12. 12nulllobby0★7 dayslivehobbyEncrypted decentralized chat client for Linux that uses ephemeral identities and supports direct or Tor-based peer connections with signed messages.
  13. 13arveil0★14 days—hobbySelf-hosted end-to-end encrypted messenger for families and small groups, running as a single Go binary on a Raspberry Pi.
  14. 14nodecrypt0★24 days—hobbyEncrypted chat application that provides end-to-end private messaging through zero-knowledge server relay and ephemeral password-protected rooms.
  15. 15morticord0★10 days—hobbySelf-hosted chat and voice app with end-to-end encryption, servers, channels, direct messages, and peer-to-peer media calls.
  16. 16pgp-chat-room0★10 days—hand-codedhobbyEnd-to-end encrypted group chat where the server stores only ciphertext, with no accounts and 48-hour message retention.
  17. 17sealform-relay20★12 days—hobbyRelay service that forwards encrypted form responses to user-configured webhooks and chat services without exposing data to the form provider.
  18. 18atlas0★15 days—End-to-end encrypted chat app featuring live typing and time capsule messages, built for desktop and mobile.
  19. 19Threema OnPrem0★1 molivecommercialSelf-hosted communication solution that provides end-to-end encrypted messaging, calls, and file sharing for organizations requiring data sovereignty.
  20. 20Hush: Private Messenger0★1 moliveInvite-only private messenger that lets users create and administer isolated end-to-end encrypted servers for chats, calls, and file sharing.