head to head · open source
Zammad vs chatwoot-mobile-app
Zammad has 5,924 GitHub stars, 1,056 forks, 451 open issues and last shipped yesterday. chatwoot-mobile-app has 1,044 stars, 533 forks, 74 open issues and last shipped yesterday. Zammad leads on adoption by 467% (5,924 vs 1,044 stars). Zammad is written in Ruby under AGPL-3.0; chatwoot-mobile-app is written in TypeScript under MIT. Zammad has attracted 18% as many forks as stars, chatwoot-mobile-app 51%. chatwoot-mobile-app was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (customer-support), so they are genuine substitutes rather than adjacent tools.
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 | chatwoot-mobile-app | |
|---|---|---|
| GitHub stars | ★ 5.9K | ★ 1.0K |
| License | AGPL-3.0 | MIT |
| Written in | Ruby | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.1K | ⑂ 533 |
| 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 chatwoot-mobile-app if
- You want the chatwoot-mobile-app feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and chatwoot-mobile-app 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 chatwoot-mobile-app
Mobile client for the Chatwoot customer support platform, built with React Native and Expo, aimed at support agents and teams who need to answer customer conversations from Android and iOS devices instead of a desktop browser.
read the full chatwoot-mobile-app overview →
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Frequently asked questions
Is Zammad or chatwoot-mobile-app more popular?
Zammad has 5,924 GitHub stars and chatwoot-mobile-app has 1,044. Zammad has the larger community by that measure.
Are Zammad and chatwoot-mobile-app free?
Both are open source. Zammad is licensed under AGPL-3.0 and chatwoot-mobile-app under MIT. Neither carries a licence fee.
What is the difference between Zammad and chatwoot-mobile-app?
Zammad is written in Ruby and chatwoot-mobile-app 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 chatwoot-mobile-app?
Choose Zammad if you want the larger community (5,924 stars) or its AGPL-3.0 licence terms. Choose chatwoot-mobile-app if its feature set, stack or MIT licence fits better. Both are self-hostable.