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BitlBee vs matterircd: catalog facts
BitlBee	matterircd
Free Free and open source; public servers are also available.	Free Free and open source under the MIT license.
Linux, Self-hosted	Windows, Linux, Self-hosted, Command line
Use XMPP and other networks from any IRC client Plugins for Discord, Mastodon, Steam and more	Use Mattermost or Slack from any IRC client Docker and systemd files included
Last stable release dates from 2019 Requires comfort with IRC and a bot-driven setup	Requires an existing Mattermost or Slack account Some platform features do not map cleanly to IRC
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: GPL-2.0	License: MIT
No account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.