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Platform Development
Join hundreds of others who have contributed code to Mattermost repositories in GitHub.
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Contributors channel to ask questions.
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Set up your developer environment
Follow our instructions for setting up a developer machine. If you’re working on the mobile apps, you’ll also need a mobile dev environment.
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Start developing
Check out our developer flow for tips on working with the Mattermost codebase. When your changes are ready, run through our checklist for pull requests. Note that if it’s your first contribution, there is a standard CLA to sign.
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Integration Development
Build apps and integrations to connect to your favorite tools.
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Developer Toolkit channel to ask questions.
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Choose an integration type
Visit the Apps and Integrations for a current list of open source integrations and projects to get ideas on how to get started.
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Start developing
Read our integrations guide for tips on how to integrate with the Mattermost server.
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Share your integration
Built something for Mattermost? We want to hear about it! Let us know here.
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Localization Process
Translate Mattermost into a new language or help maintain an existing one.
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Localization channel to ask questions.
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Sign up to our translation server
Go to https://translate.mattermost.com/ and sign up.
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Choose a language
Confirm that the language you want to help translate is listed in the Translation server.
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- If it’s not, go to https://community.mattermost.com and ask to set up your language on the Localization channel, so you can start helping with the translation.
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Start translating
Read our Localization documentation for more information on translations rules and maintenance process.
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Documentation Process
Write software and troubleshooting documentation used by thousands across the world.
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Documentation channel to ask questions.
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Choose a ticket
To edit Mattermost documentation, choose a ticket and add a comment to let people know you’re working on it. See process for contributing.
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Start writing
Review our documentation guidelines for tips on how to create effective docs. Note that if it is your first pull request, you will be asked to sign a standard CLA.
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Improve Mattermost
Report bugs, suggest features, and share feedback.
Contribute CollapseReport Bugs:
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Bugs channel to ask questions.
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Open a new issue
Go to https://github.com/mattermost and open a new issue in the relevant repository. Read our docs on steps for filing bugs.
Test and Find Issues:
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Bugs channel to ask questions.
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Use Mattermost test server
Go to our community test server or any of the open source code bases maintained by Mattermost to test and find issues.
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Open a new issue
If you find a bug, go to https://github.com/mattermost and open a new issue in the relevant repository. Read our docs on steps for filing bugs.
Troubleshoot Issues:
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Bugs channel and Peer-to-Peer Help channel to answer questions.
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Use Mattermost Forums and repos
Follow questions in Mattermost Forums and Github Issues to help others.
Suggest New Features:
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Feature Proposals channel to ask questions.
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Use Mattermost Uservoice
Use Uservoice to propose new features. Read our docs on steps for contributing feature proposals.
Share Feedback:
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Sign up to our Mattermost site
Go to https://community.mattermost.com and join the Peer-to-Peer Help channel to ask questions.
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Use Mattermost Peer-to-Peer Forum
Use the Peer-to-Peer Forum to share feedback about Mattermost.
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Security Issue Reporting
Report security issues by following the Responsible Disclosure Policy.
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Report a security issue
Read our process for reporting a security vulnerability.
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Follow updates
14 days after the security issue that you reported has been resolved, the security bug fix is posted on our Security Updates page and you are added to our Security Research Hall of Fame.
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