Best Open Source Alternatives to Intercom

Compare the best free and open-source alternatives to Intercom — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 6 alternatives

Intercom

Proprietary SaaS

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Intercom alternatives compared

Open-source alternatives to Intercom, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Chatwoot	38,874	MIT	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
Zammad	6,079	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
FreeScout	4,639	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
osTicket	4,001	GPL-2.0	LinuxmacOSWindowsDocker	Yes	Jun 2026	Visit
Chaskiq	3,581	—	DockerLinux	Yes	Jun 2026	Visit
Cossistant	739	AGPL-3.0	Web	No	Sep 2026	Visit

Top open-source Intercom alternatives

Chatwoot38,874MIT

Chatwoot is an open-source helpdesk replacing Intercom and Zendesk with self-hosted omnichannel support across email, WhatsApp, and live chat.

LinuxmacOSWindowsDockerWeb

vs Intercom: a free, open-source option you fully control, licensed MIT.

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Zammad6,079AGPL-3.0

Zammad is a self-hosted open-source helpdesk replacing Zendesk with real-time collision detection, tabbed multitasking, and omnichannel ticket routing.

LinuxmacOSWindowsDockerWeb

vs Intercom: a free, open-source option you fully control, licensed AGPL-3.0.

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