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UnrealIRCd

Highly configurable open-source IRC server

Chat & Communication ★ 525 stars Medium setup GPL-2.0

UnrealIRCd is a long-established IRC server daemon known for its rich feature set, advanced security controls, and module system. It is one of the most widely deployed IRCd implementations.

Official siteSource code

Key features

  • Extensive module system
  • Advanced anti-abuse features
  • TLS and IRCv3 support
  • Highly configurable

Strengths

  • Released under the GPL-2.0 license
  • Written in C
  • Tiny footprint — runs in 128 MB RAM

Is UnrealIRCd secure?

OSV.dev lists 1 published advisory for UnrealIRCd. It doesn't publish GitHub releases we can match, so we can't say which of them apply to the current version. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2016-7144, published 2017-01-18 (3556 days ago)

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

UnrealIRCd replaces

Self-hosted Slack alternativesSelf-hosted Discord alternatives

Health badge

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SelfHostIndex: 75 · good

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The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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