Open source alternatives to Zendesk
5 free tools that do the job of Zendesk, most stars first. All are web apps you can run on your own server.
5 alternatives
Sorted by most stars.-
Chatwoot
A shared inbox and live chat for customer support across email, chat and social channels.
Also an alternative to Intercom
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UVdesk
A helpdesk and ticketing system for customer support.
Web app
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Zammad
A web helpdesk and ticketing system.
Web app
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FreeScout
A free help desk and shared mailbox.
Also an alternative to Help Scout
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Frappe Helpdesk
A customer support tool with tickets, a knowledge base and agent tools.
Web app
More alternatives in CRM and support
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Ask us to add itAbout these numbers. Stars, dates and licenses come from GitHub through ecosyste.ms, collected on 10 Nov 2026; they can lag GitHub by a few days. A project is listed only if it has 300 or more stars, was updated in the last 12 months and states a license. A listing is not an endorsement, and we have not tested these tools on Antideploy yet. Logos belong to their projects and companies and are shown only to say which is which.