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CoyIM

Secure desktop XMPP client with OTR encryption

Matrix & XMPP ★ 617 stars Easy setup GPL-3.0

CoyIM is a security-focused XMPP chat client that connects only over Tor by default and supports OTR encrypted conversations. It is a self-contained desktop application for private messaging.

Official siteSource code

Key features

  • Security-focused XMPP client
  • OTR encryption by default
  • Tor integration

Strengths

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in Go
  • Tiny footprint — runs in 128 MB RAM

Is CoyIM secure?

OSV.dev has no published security advisories for CoyIM'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.

CoyIM replaces

Self-hosted Skype alternatives

Health badge

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SelfHostIndex: 55 · fair

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