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Mattermost vs Whaller
Offer
No offer right now
No offer right now
Focus
Communication & Collab
Communication & Collab
Product
Mattermost is a self-hosted collaboration platform for DevOps and technical teams providing messaging, playbooks, and boards with full data control.
French sovereign collaboration platform with unlimited private networks for organizations.
Headquarters
Palo Alto, California
Paris, France
Company size
201-500 employees
11-50 employees
Free options
Free plan, Free trial
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026
Capabilities
Plan capabilities
Integrations
Buyer fit
Best for
Company size
Security and switching
Security reviews
Security and migration
Case studies and sources
Case studies
Customer evidence
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Communication & Collab
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