Mattermost vs Microsoft Teams

A side-by-side comparison built from catalogue data. Both offer 3 of the same listed features, including File sharing, Threads, Video calls.

Comparison of Mattermost vs Microsoft Teams

App	Mattermost Open-source, self-hostable team messaging and collaboration platform.	Microsoft Teams Chat, meetings and collaboration in Microsoft 365.
Developer	Mattermost Inc.	Microsoft
Pricing	Free, Freemium, Subscription	Freemium, Subscription
License	GNU AGPL v3	Proprietary
Open source	Open source: Yes	Open source: No
Self-hostable	Self-hostable: Yes	Self-hostable: No
Works offline	Works offline: No	Works offline: No
Privacy-focused	Privacy-focused: Yes

Feature rows list only features recorded in the catalogue. A missing check means the feature is not recorded for that app, not necessarily that it is unavailable.