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Charybdis IRCd

IRC server daemon for large networks

Chat & Communication Archived ★ 230 stars Medium setup GPL-2.0

This project is archived. Upstream development has stopped, so expect no new features or security fixes. Consider an actively maintained chat & communication alternative.

Charybdis is an IRCv3-capable IRC server daemon descended from ratbox, designed to power large IRC networks. It has been used as the basis for several other IRC server projects and is fully self-hostable.

Official siteSource code

Key features

  • IRCv3-capable IRC server
  • Designed for large networks
  • Basis for other IRC daemons

Strengths

  • Released under the GPL-2.0 license
  • Written in C
  • Tiny footprint — runs in 64 MB RAM

Is Charybdis IRCd secure?

No known vulnerabilities affect Charybdis IRCd's latest release (charybdis-3.5.5). OSV.dev lists 1 past advisory for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2016-7143, published 2016-09-21 (3675 days ago)

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

Charybdis IRCd replaces

Self-hosted Discord alternativesSelf-hosted Slack alternatives

Health badge

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SelfHostIndex: 15 · archived

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   :target: https://selfhostindex.com/app/charybdis-ircd/

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

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