head to head · open source
Zammad vs Usertour
Zammad has 5,924 GitHub stars, 1,056 forks, 451 open issues and last shipped yesterday. Usertour has 2,305 stars, 158 forks, 30 open issues and last shipped yesterday. Zammad leads on adoption by 157% (5,924 vs 2,305 stars). Zammad is written in Ruby under AGPL-3.0; Usertour is written in TypeScript under a custom or non-standard licence. Zammad has attracted 18% as many forks as stars, Usertour 7%. Zammad was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Zammad | Usertour | |
|---|---|---|
| GitHub stars | ★ 5.9K | ★ 2.3K |
| License | AGPL-3.0 | Custom / other |
| Written in | Ruby | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.1K | ⑂ 158 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zammad if
- You weight community size — 5.9K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick Usertour if
- You want the Usertour feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Usertour fits your workflow better
About Zammad
Zammad is a web based, open source helpdesk and customer support platform, released under the GNU AGPLv3 and written primarily in Ruby on the Rails framework. The source code lives on GitHub and is owned by the Zammad Foundation, an entity that the README describes as independent of commercial providers such as Zammad GmbH. Development is carried out by the team at Zammad GmbH together with the community, and the project states that the software is and will stay open source.
read the full Zammad overview →
About Usertour
Usertour is an open source user onboarding platform that lets teams build in app product tours, checklists, launchers, tooltips, announcements, and surveys. It is written in TypeScript and published with a NOASSERTION license, and it lives in the browser based onboarding ecosystem alongside commercial tools it explicitly positions itself against — Appcues, Userpilot, Userflow, Userguiding, and Chameleon. The repository carries the onboarding, checklist, surveys, tooltips, tour, nps, in app, and announcements topics, and it points to usertour.io for the hosted site, documentation, and blog.
read the full Usertour overview →
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Frequently asked questions
Is Zammad or Usertour more popular?
Zammad has 5,924 GitHub stars and Usertour has 2,305. Zammad has the larger community by that measure.
Are Zammad and Usertour free?
Both are open source. Zammad is licensed under AGPL-3.0, and Usertour has no licence declared in this registry. Both are free to self-host.
What is the difference between Zammad and Usertour?
Zammad is written in Ruby and Usertour in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Zammad or Usertour?
Choose Zammad if you want the larger community (5,924 stars) or its AGPL-3.0 licence terms. Choose Usertour if its feature set, stack or Custom / other licence fits better. Both are self-hostable.