Visit the Mattermost Marketplace to find dozens of open source integrations to common tools like Jira, Jenkins, GitLab, with interactive bot applications (Hubot, mattermost-bot), and other communication tools (Email, IRC, XMPP, Threema) that are freely available for use and customization.
CircleCI: Manage pipelines without leaving Mattermost.
Confluence: Notify Mattermost users of updates and new pages in Confluence.
GitHub: Subscribe to repositories, then stay updated with reviews and assignments in Mattermost.
GitLab: Subscribe to repositories, then stay updated with reviews and assignments in Mattermost.
Jenkins: Interact with jobs and builds with slash commands.
Jira: Create tickets from messages, and get notified of updates in Jira.
Opsgenie: Send and receive updates, as well as acknowledge, close, or assign issues in Mattermost.
PagerDuty Notifier: Send events from PagerDuty to Mattermost.
Zendesk App: Create tickets and receive ticket updates within Mattermost.
Autolink: Rewrite text matching a regular expression into a Markdown link.
Custom Attributes: Add custom attributes to users in Mattermost.
File List: Add a paged and searchable file list to a Mattermost channel.
Remind: Schedule reminders for users and channels.
ToDo: Create slash commands for Mattermost based on Node.js, Express, and MySQL.
WelcomeBot: Post welcome messages to new users and invite them into channels.