Mattermost
FREEMIUM
Open-source messaging platform
About
Mattermost is an open-source, self-hosted messaging platform designed for teams who need more control, security, and flexibility than proprietary solutions.
Pricing
Pricing Type
Freemium
Free tier available
Trial available
Starting Price
$10
Billing
Billed monthly
Last checked: February 17, 2026
Related Apps
Key Facts
Categories
Platforms
Web
iOS
Android
Windows
Mac
Linux
Company
Mattermost Inc.
Founded
Founded in 2015
Country
Global