Mattermost
Some data may be outdated — see provenance labels.
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.. observed · 2026-09-25
Health v2 · maintenance only
93/100
- Activity 96
- Release rhythm 84
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.
- gap_med: 0.0
- age_days: 4145
- days_rel: 26
- days_push: 26
- n_releases_24m: 169
Adoption not part of the score
39174 stars · 9019 forks observed · 2026-09-25
What it is AI-extracted, prompt v1, taxonomy v1, 2026-09-28, confidence 0.97
Mattermost is an open‑source, self‑hosted collaboration platform that provides secure messaging, file sharing, voice/video calls and workflow automation. It runs as a single binary on Linux and can be deployed on‑premises, in private clouds or via Docker/Kubernetes.
Use cases
- secure team chat and threaded discussions for distributed engineering teams
- incident response coordination with real‑time alerts and playbooks
- dev‑ops pipelines integration to trigger builds and deployments from chat
- AI‑augmented workflows that automate repetitive tasks via plugins
- voice and video calls for remote collaboration without third‑party services
- file sharing and document collaboration in regulated environments
When to choose
- You need full control over data and compliance, requiring on‑prem or private‑cloud deployment
- Your organization relies on extensive integrations with CI/CD, ticketing and monitoring tools
- You require a customizable platform that can be extended with plugins, webhooks and custom apps
- You need real‑time messaging with low latency and optional AI‑driven automation
When to avoid
- You prefer a fully managed SaaS chat service with zero operational overhead
- Your team does not need advanced workflow automation or custom integrations
- You lack resources to maintain the underlying PostgreSQL database and server infrastructure
Facets
application · maturity active
websocket api-framework plugin-system file-upload audio-processing video-processing developer-tools security windows cloud self-hosted on-prem enterprise chatops ai-integration open-core devops linux macos ios android web-server docker kubernetes
9 sources
- readme: https://github.com/mattermost/mattermost · fetched 2026-09-25 · b44438092f4a
- homepage: https://mattermost.com · fetched 2026-09-14 · cdc779ec6810
- site_page: https://docs.mattermost.com/ · fetched 2026-09-14 · d8f6490fe8ae
- site_page: https://docs.mattermost.com/administration/changelog.html · fetched 2026-09-14 · 9c18b33e6e52
- site_page: https://mattermost.com/install · fetched 2026-09-14 · 13ce8c2d36d2
- site_page: https://developers.mattermost.com/integrate/getting-started · fetched 2026-09-14 · 4eff23589e20
- site_page: https://mattermost.com/about-us · fetched 2026-09-14 · 7a66bd3b878d
- site_page: https://mattermost.com/integrations-overview · fetched 2026-09-14 · c6ff630474ef
- site_page: https://mattermost.com/pricing · fetched 2026-09-14 · f05a0198a24d
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| mattermost/mattermost | main | 93 |
| mattermost/mattermost-mobile | frontend | 96 |
| mattermost/mattermost-push-proxy | backend | 96 |
| mattermost/mattermost-plugin-agents | plugin | 94 |
| mattermost/mattermost-helm | infra | 92 |
| mattermost/mattermost-android-classic | frontend | 10 |
| mattermost/mattermost-plugin-jira | plugin | 92 |
For agents
markdown · JSON · MCP: product_card(name="mattermost/mattermost")
Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem