Mattermost vs Microsoft Teams: Detailed Comparison (2026)
Free plan available
Very affordable starting price
Strong user satisfaction ratings
Real-time messaging
File sharing built-in
Notification overload without proper settings
Feature overlap with other tools
Deep Microsoft 365 integration
Excellent video conferencing
Included with many Office subscriptions
Strong security and compliance
Can be resource-heavy
Interface can feel cluttered
Notifications management is tricky