Chatwoot vs Zammad
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
Chatwoot
Open-source customer engagement and live-chat platform
VS
Zammad
Web-based helpdesk and customer support system
| Feature | Chatwoot | Zammad |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 99 · Excellent | 88 · Excellent |
| Category | Chat & Communication | Chat & Communication |
| License | MIT | AGPL-3.0 |
| Language | Ruby | Ruby |
| Setup difficulty | Medium | Medium |
| Min. RAM | 2,048 MB | 4,096 MB |
| Deployment | docker, kubernetes, bare-metal | docker, bare-metal, source |
| GitHub stars | ★ 37,132 | ★ 5,948 |
| First released | 2019 | 2016 |
| Replaces | Intercom, Zendesk, Drift | Zendesk, Freshdesk |
What are Chatwoot and Zammad?
Chatwoot
Chatwoot is a self-hosted customer support platform that unifies live chat, email, social media, and messaging channels into a shared team inbox. It is an open alternative to Intercom and Zendesk.
- Omnichannel shared inbox
- Live chat widget for websites
- Automation and canned responses
- Integrates with many messaging channels
Zammad
Zammad is a self-hosted helpdesk and ticketing system that brings email, chat, social media, and phone communication into one place. It supports SLAs, knowledge bases, and reporting.
- Multichannel ticketing
- Live chat widget
- SLA and escalation rules
- Full-text search with Elasticsearch
Chatwoot vs Zammad: key differences
Both projects are written in Ruby. Licensing differs — MIT for Chatwoot versus AGPL-3.0 for Zammad. Chatwoot is the lighter option, starting around 2,048 MB of RAM against 4,096 MB for Zammad. Zammad is the more established project (first released 2016), while Chatwoot arrived in 2019. Chatwoot has the considerably larger community, at 37,132 GitHub stars versus 5,948.
Why pick each one
Choose Chatwoot if…
- Polished customer support workflow
- Active development
Watch out for
- Resource-hungry
- Complex multi-service stack
Choose Zammad if…
- Mature support workflow
- Good integrations
Watch out for
- Heavy resource footprint
- Requires Elasticsearch
Frequently asked questions
Is Chatwoot or Zammad better?
Neither is universally better. Chatwoot has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Chatwoot and Zammad free and open-source?
Yes. Chatwoot is licensed under MIT and Zammad under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Chatwoot and Zammad with Docker?
Chatwoot: yes. Zammad: yes.
Which is lighter on resources, Chatwoot or Zammad?
Chatwoot has the smaller minimum footprint at 2,048 MB of RAM, compared to about 4,096 MB for Zammad. Real-world usage depends on library size, user count, and enabled features.