head to head · open source
Mattermost vs docker-nginx-certbot
Mattermost has 39,097 GitHub stars, 9,006 forks, 1,012 open issues and last shipped yesterday. docker-nginx-certbot has 1,205 stars, 195 forks, 8 open issues and last shipped yesterday. Mattermost leads on adoption by 3,145% (39,097 vs 1,205 stars). Mattermost is written in TypeScript under a custom or non-standard licence; docker-nginx-certbot is written in Shell under MIT. Mattermost has attracted 23% as many forks as stars, docker-nginx-certbot 16%. Mattermost was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (hacktoberfest), 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
| Mattermost | docker-nginx-certbot | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 1.2K |
| License | Custom / other | MIT |
| Written in | TypeScript | Shell |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 9.0K | ⑂ 195 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mattermost if
- You weight community size — 39K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick docker-nginx-certbot if
- You want the docker-nginx-certbot feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Shell
- You evaluated both and docker-nginx-certbot fits your workflow better
About Mattermost
Mattermost is an open core, self hosted collaboration platform for teams that need secure chat, workflow automation, voice calling, screen sharing, and AI integration while keeping the deployment under their own control.
read the full Mattermost overview →
About docker-nginx-certbot
docker nginx certbot is an MIT licensed Docker image that bundles Nginx with the certbot ACME client so that websites automatically obtain and renew free Let's Encrypt TLS certificates, and it is aimed at self hosters and small teams who run their own Nginx servers.
read the full docker-nginx-certbot overview →
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Frequently asked questions
Is Mattermost or docker-nginx-certbot more popular?
Mattermost has 39,097 GitHub stars and docker-nginx-certbot has 1,205. Mattermost has the larger community by that measure.
Are Mattermost and docker-nginx-certbot free?
Both are open source. Mattermost has no licence declared in this registry, and docker-nginx-certbot is licensed under MIT. Both are free to self-host.
What is the difference between Mattermost and docker-nginx-certbot?
Mattermost is written in TypeScript and docker-nginx-certbot in Shell. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Mattermost or docker-nginx-certbot?
Choose Mattermost if you want the larger community (39,097 stars) or its Custom / other licence terms. Choose docker-nginx-certbot if its feature set, stack or MIT licence fits better. Both are self-hostable.