Chatwoot
Customer communication platform (alternative to Intercom and Zendesk).
Chatwoot vs Mattermost
Two self-hosted Communication - Custom Communication Systems apps, compared on the facts we track: GitHub popularity and activity, license, language, Docker images and a rough hosting estimate.
Side by side
| Chatwoot | Mattermost | |
|---|---|---|
| Description | Customer communication platform (alternative to Intercom and Zendesk). | Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack). |
| GitHub stars | 38,889 | 39,530 |
| Forks | – | – |
| Open issues | – | – |
| Commits (12 months) | 1.5k | 2.1k |
| Last activity | 2026-11-05 | 2026-11-04 |
| Latest release | v4.19.1 (2026-10-24) | v12.1.0-rc3 (2026-11-04) |
| Maintenance health | Active | Active |
| License | ⊘ Proprietary | ⊘ Proprietary |
| Language / platform | Ruby, Docker, K8S | Go, Docker, K8S |
| Docker Hub image | – | – |
| Docker pulls | – | – |
| Est. server size | ~2 GB, 1 vCPU | ~2 GB, 1 vCPU |
| Est. hosting from | $10/mo | $10/mo |
| Categories | Communication - Custom Communication Systems | Communication - Custom Communication Systems |
| Links | Website · Source | Website · Source |
What the numbers say
- Chatwoot and Mattermost have a similar number of GitHub stars (38.9k vs 39.5k).
- Mattermost had more commits in the last 12 months (2,118 vs 1,461).
- Mattermost published a release more recently (v12.1.0-rc3 on 2026-11-04; Chatwoot's latest is v4.19.1 on 2026-10-24).
- Both are licensed under ⊘ Proprietary.
- Chatwoot is written in Ruby; Mattermost in Go.
- Deployment options listed upstream: Chatwoot: Docker, K8S; Mattermost: Docker, K8S.
Summary: Mattermost leads on commit activity. The right choice depends on the features you need — read both project descriptions and docs.
This summary is generated from GitHub, Docker Hub and awesome-selfhosted data as of 2026-11-05. It does not rate features or quality.
Frequently asked questions
Is Chatwoot or Mattermost more popular?
They are close: Chatwoot has 38,889 GitHub stars and Mattermost has 39,530 (as of 2026-11-05).
Which is more actively maintained, Chatwoot or Mattermost?
Mattermost had more commits over the last 12 months (2,118 vs 1,461). The last recorded activity was 2026-11-05 for Chatwoot and 2026-11-04 for Mattermost. Our health labels: Chatwoot is “Active”, Mattermost is “Active”.
What licenses do Chatwoot and Mattermost use?
Both use ⊘ Proprietary. Note: Chatwoot and Mattermost include a non-free license component.
Can I run Chatwoot and Mattermost with Docker?
We did not detect a Docker Hub image for either app. The upstream listing mentions Docker as a deployment option for Chatwoot and Mattermost. Check each project's documentation for install options.
Read more
Mattermost
Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack).
Browse all self-hosted Communication - Custom Communication Systems apps.