Converse.js vs Mattermost
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Converse.js
Web-based XMPP/Jabber chat client
VS
Mattermost
Secure collaboration for developer teams
| Feature | Converse.js | Mattermost |
|---|---|---|
| Category | Matrix & XMPP | Team Chat |
| License | MPL-2.0 | AGPL-3.0 |
| Language | JavaScript | TypeScript |
| Setup difficulty | Easy | Medium |
| Min. RAM | 64 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, kubernetes |
| GitHub stars | ★ 3,285 | ★ 38,708 |
| First released | 2013 | 2016 |
| Replaces | Slack | Slack, Microsoft Teams |
Why pick each one
Choose Converse.js if…
- Released under the MPL-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Active community (3.3k GitHub stars)
Choose Mattermost if…
- Great for technical teams
- Strong security posture
- Good integrations
Frequently asked questions
Is Converse.js or Mattermost better?
Neither is universally better. Mattermost has the larger community, while Converse.js is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Converse.js and Mattermost free and open-source?
Yes. Converse.js is licensed under MPL-2.0 and Mattermost under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Converse.js and Mattermost with Docker?
Converse.js: yes. Mattermost: yes.