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Berty

Peer-to-peer messaging app that works offline

Chat & Communication ★ 9.3k stars Hard setup Apache-2.0

Berty is a secure peer-to-peer messaging application built on the IPFS-based Wesh protocol. It can operate without internet access using local networks and Bluetooth.

Official siteSource code

Key features

  • Works without internet via P2P
  • End-to-end encryption
  • No account or phone number
  • Built on IPFS

Pros & cons

Strengths

  • Released under the Apache-2.0 license
  • Mature project with 9.3k GitHub stars
  • Written in TypeScript
  • Tiny footprint — runs in 256 MB RAM

Trade-offs

  • Still considered experimental
  • P2P discovery limitations

Is Berty secure?

OSV.dev has no published security advisories for Berty's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Berty replaces

Self-hosted WhatsApp alternativesSelf-hosted Signal alternatives

Health badge

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SelfHostIndex: 92 · excellent

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