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: July 29, 2026
Current Valuation
$324.2M
as of June 1, 2019 (Source)
Funding Summary
$70M
Total reported funding
Announcement
July 28, 2026
Mattermost: Mattermost and Virtru Announce Strategic Partnership in Defense Technology
Media Mention
June 21, 2026
DEV Community: I Ditched 5 Cloud Subscriptions and Built a Self-Hosted Stack — Here's the Real Cost Breakdown - DEV Community
Media Mention
June 16, 2026
Jayski's NASCAR Silly Season Site: Mattermost joins Truck Series points leader Layne Riggs for San Diego debut - Jayski's NASCAR Silly Season Site
Showing 1-5 of 28 headlines
Page 1 of 6
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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