Linen vs Zulip

Comparing two open source alternatives to Slack and Discord. Use the comparison below to decide which one fits your needs.

Linen

AGPL-3.0

Lightweight, Google-searchable open source Slack and Discord alternative designed for online communities.

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Zulip

Apache-2.0

Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.

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Side-by-side comparison

	Linen	Zulip
License	AGPL-3.0	Apache-2.0
Self-hostable	Yes	Yes
GitHub Stars	2,774	26,027
Forks	109	10,378
Open Issues	136	2,048
Last Commit	Dec 9, 2024	Oct 9, 2026
First Released	Feb 15, 2022	Sep 25, 2015
Categories	Team Chat & Messaging Tools	Team Chat & Messaging Tools
Tags	—	#chat #messaging #collaboration

GitHub stars over time

Linen2,774

Zulip

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