European & open-source alternatives to Zendesk
6 European and open-source alternatives to Zendesk — privacy-friendly tools built and hosted in Europe.
Updated 9 Sep 2026 · refreshed weekly

Bird
This platform unifies customer engagement across WhatsApp, email, and SMS for marketing, support, and payments, leveraging…

Crisp
Customer-messaging suite with shared inbox, chatbot and helpdesk.

LiveAgent
Slovak omnichannel helpdesk from Bratislava combining live chat, email ticketing, social and a call centre in one interface, with…

Plain
London B2B customer support platform for software companies, unifying Slack, Teams, Discord, email and in-app chat into a…

Trengo
Dutch omnichannel customer engagement platform from Utrecht unifying WhatsApp, email, chat, social, SMS and voice in one team…

Zammad
Open-source helpdesk and ticketing system from Berlin (Zammad GmbH), "Made & hosted in Germany".