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Cal.com vs Mattermost: Full Comparison 2025
Which is right for your team? Compare pricing, features, and more.
Cal.com vs Mattermost: Feature Comparison
| Feature | C Cal.com | M Mattermost |
|---|---|---|
| Pricing | Freemium | Freemium |
| Founded | 2021 | 2015 |
About Cal.com
Cal.com is an open-source scheduling platform that can be self-hosted or used as a managed service, providing full data ownership and customization. It replicates Calendly's core features with an API-first architecture for building scheduling workflows.
Visit Cal.com ↗About Mattermost
Mattermost is an open-source, self-hostable messaging platform built for DevSecOps and technical teams in regulated industries. It offers persistent chat, playbooks, project boards, and integration with developer tools like GitHub and Jira.
Visit Mattermost ↗Not what you're looking for?
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