Mattermost
Open-source team messaging and collaboration
Palo Alto, CA, USA
Founded 2015
Mattermost provides an open-source collaboration platform for teams, offering tools for messaging, file sharing, and project management. Their platform supports integration with various enterprise systems.
Websites:
Last Updated: March 25, 2026
Current Valuation
$324.2M
as of June 1, 2019 (Source)
Funding Summary
$70M
Total reported funding
Announcement
June 10, 2026
PRWeb: Mattermost, archTIS, Arqit, and Whitespace Deliver Integrated Operational Collaboration Capability for Defence
Announcement
June 2, 2026
Mattermost: Mattermost Product Executive, Jason Blais, Named to AFCEA International Board of Directors - Mattermost
Announcement
June 2, 2026
PRWeb: Mattermost Product Executive, Jason Blais, Named to AFCEA International Board of Directors
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Key People
Core OSS Projects
Mattermost provides an open-source collaboration platform for teams, offering tools for messaging, file sharing, and project management. Their platform supports integration with various enterprise systems.
License: MIT
Business Information
Category
CollaborationIndustries
GovernmentFinancial Services
Technologies
DevOpsMessaging
Sectors
Enterprise
Licenses
MITApache-2.0AGPL-3.0
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