Chanty
Team chat and collaboration with channels, audio/video calls, and task management
Open-Source Projects
Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Secure, extensible team collaboration platform for modern workflows
Mattermost delivers self‑hosted chat, voice, screen sharing and AI‑powered workflow automation, with apps and integrations for DevSecOps and incident response.
Mattermost is a self‑hosted collaboration hub designed for software development teams, IT operations, and security groups that require full control over their data. It combines persistent chat, voice calls, screen sharing, and AI‑enhanced automation to streamline communication across the entire development lifecycle.
Beyond core messaging, Mattermost offers workflow automation through slash commands, webhooks, and a marketplace of over 700 integrations. Developers can extend the platform with custom plugins, APIs, and drivers, while native mobile and desktop clients keep teams connected on any device.
The platform runs as a single Linux binary backed by PostgreSQL and can be deployed via Docker, Kubernetes, Helm, or traditional package installs on Ubuntu, Debian, and RHEL. Monthly releases under an MIT license provide regular updates, and a free cloud trial is available for quick evaluation.
When teams consider Mattermost, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
DevSecOps pipeline coordination
Developers receive real‑time security alerts in chat, trigger automated scans via slash commands, and track remediation status.
Incident resolution hub
Ops teams collaborate on alerts, share screen, and use AI suggestions to accelerate root‑cause analysis.
IT service desk ticketing
Support agents create, update, and close tickets directly from Mattermost, integrating with existing ticketing APIs.
Remote team collaboration
Distributed workers communicate via persistent channels, voice calls, and screen sharing across desktop and mobile apps.
Mattermost uses PostgreSQL as its relational database backend.
Yes, Mattermost offers a free cloud trial and can be deployed on any cloud provider using Docker, Kubernetes, or Helm.
Native clients are available for Android and iOS, as well as desktop apps for Windows, macOS, and Linux.
A new compiled version is released under the MIT license each month on the 16th, and can be applied via package managers or container images.
Mattermost provides APIs, webhooks, slash commands, and a marketplace of over 700 integrations and plugins.
Project at a glance
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