the open source movement

Replace Zendesk.

10 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.

Ranked by health

  1. ChatwootCustomer support platform with live chat, email and omnichannel inboxes.★ 37k MIT + commercial enterprise/ Ruby self-host managed
  2. UVdeskHelpdesk and ticketing system built on Symfony for managing customer support across channels.★ 20k OSL-3.0 CSS self-host managed
  3. ZammadZammad is a web based open source helpdesk/customer support system.★ 6.0k AGPL-3.0 Ruby self-host managed
  4. FreeScoutFreeScout — Free self-hosted omnichannel AI-powered helpdesk & shared mailbox★ 4.6k AGPL-3.0 PHP self-host
  5. osTicketThe osTicket open source ticketing system official project repository, for versions 1.8 and later★ 3.9k GPL-2.0 PHP self-host managed
  6. Frappe HelpdeskCustomer service and ticketing software built on the Frappe Framework.★ 3.4k AGPL-3.0 Vue self-host managed
  7. LibredeskSelf-hosted customer support desk with shared inboxes, distributed as a single binary.★ 3.0k AGPL-3.0 Go self-host
  8. django-helpdeskTicketing help desk with queues, email intake, a public submission form and a knowledge base.★ 1.7k BSD-3-Clause Python self-host
  9. Faveo HelpdeskHelpdesk and ticketing system built on the Laravel framework.★ 1.3k OSL-3.0 PHP self-host managed
  10. Request TrackerRequest Tracker, an enterprise-grade issue tracking system★ 1.2k GPL-2.0 Perl self-host managed
How the ranking works

Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.