Open-source alternatives to Zendesk

Zendesk by Zendesk in the Customer service category. These are the open alternatives we recommend looking at.

Zammad

Helpdesk ticketing across email, chat, phone and social channels.

AGPL-3.0Network copyleft (AGPL)

SaaS: Yes, with conditionsClosed product: No

GitHub stars
6.0k
Deployment
Docker

Chatwoot

Customer conversations in one inbox: live chat, email and messaging apps.

MITPermissiveOpen core

SaaS: YesClosed product: Yes

GitHub stars
37.5k
Deployment
Docker

Frappe Helpdesk

Ticketing with SLAs and a knowledge base, built on Frappe.

AGPL-3.0Network copyleft (AGPL)not verified

SaaS: Yes, with conditionsClosed product: No

Deployment
Docker
Login/SSO
OAuth/OIDC

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

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