Zammad vs Zendesk Suite
Zammad and Zendesk Suite are both help desk software. Zammad is open source under AGPL-3.0, with 6k GitHub stars. Zendesk Suite is a commercial product from Zendesk.
Which to pick
- Pick Zammad when
- A support team wants a mature, self-hostable alternative to Zendesk or Freshdesk.
- Pick Zendesk Suite when
- A support team handling volume across email, chat and phone wants the most widely integrated helpdesk.
Side by side
A web helpdesk that gathers email, chat, phone, social and form requests into tickets with SLAs, a knowledge base and reporting.
Customer service platform with ticketing, live chat, voice, help centre, AI agents and reporting across channels.
Self-hosting needs Rails, PostgreSQL, Redis and Elasticsearch; the paid hosted service is the easier path.
Per-agent costs rise quickly with tiers and AI add-ons.
Production-ready (both)
Self-hosted server and cloud service
Cloud service and mobile app
Ruby, Rails, Vue, PostgreSQL, Redis and Elasticsearch
Not published
Open source, AGPL-3.0 (network copyleft)
Closed source, sold by Zendesk
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.
Closed source: you use it under the maker's terms and cannot change or resell the code.
6k GitHub stars
No Wikipedia article of its own
Established: started 14 years ago, no tagged release yet.
Not known
Other comparisons
More help desk and ticketing software
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.