The open source advantage
Accelerate workflows with an infinitely extensible collaboration hub purpose-built for high-performing technical and operational teams
Why choose open source?
Security
Protect your most important data with a self-hosted solution that sits behind your firewall and offers complete access to source code along with the ability to leverage an engaged global community of contributors for code reviews, bug fixes, and more.
Data Privacy
Keep sensitive data safe with a solution that gives you complete control over your data and offers advanced compliance auditing and reporting tools designed to help you meet the most sophisticated requirements.
Interoperability
Build the perfect tool for the job with a fully customizable solution that can be extended endlessly via plugins and integrations with the tools your team uses every day — like Jira, ServiceNow, GitLab, PagerDuty, Jenkins, Prometheus, and Grafana.
Avoid Vendor Lock-In
Achieve complete data portability with a flexible platform you control that lets you seamlessly move your data anywhere you want, anytime you want.
Why and How to Contribute to Mattermost
There may be many reasons why you are motivated to contribute to Mattermost. You may have found a bug, you want to help with content, you have a new feature idea, or you want to practice your skills while giving back to the community. Below are some resources to help you get started!
Integrate and Extend Mattermost
Mattermost offers several methods to add functionality and customize the experience to suit your needs, whether you want to add new user capabilities with slash commands, build an advanced chatbot, or completely change the functionality of your server.
Contribute Code to Mattermost
Interested in contributing code to the core Mattermost project? Read all about how to contribute before getting started.
Other Ways to Contribute
There are several other ways you can contribute to the Mattermost project! You can suggest a new feature, report a bug, contribute to the documentation, or provide translations. Click below to learn more about the many ways you can make a major contribution to Mattermost.
Join our engaged community of technologists!
Hacktoberfest
Support the open source community, help us improve Mattermost, and earn limited-edition swag during our biggest hackathon of the year.
Learn More »
GopherCon
Take your Golang skills to the next level by engaging with experts, learning cutting-edge programming techniques, and networking with the robust Go community.
Learn More »
Mattermost Discussion Forums
Welcome to the Mattermost discussion forums! This site is for asynchronous discussion related to all versions of Mattermost and the Mattermost open source project.