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SimpleX Chat

Private messenger without any user identifiers

Chat & Communication ★ 19.2k stars Medium setup AGPL-3.0

SimpleX Chat is a privacy-focused messaging platform that has no user profiles or identifiers, routing messages through self-hostable relay servers. Users can run their own SMP relay servers for full control.

Official siteSource code

Key features

  • No user identifiers at all
  • Self-hostable SMP relay servers
  • End-to-end encryption
  • Decentralized message routing

Pros & cons

Strengths

  • Best-in-class metadata privacy
  • Run your own relays

Trade-offs

  • Newer protocol
  • Group features still maturing

SimpleX Chat replaces

Self-hosted Signal alternativesSelf-hosted WhatsApp alternativesSelf-hosted Telegram alternatives

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