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Slack vs Cal.com

Tagline
Slack: Business messaging platform
Cal.com: Open source scheduling
Pricing Model
Slack: freemium
Cal.com: open-source
Starting Price
Slack: $7/mo
Cal.com: $0/mo
Free Plan
Slack: Yes
Cal.com: Yes
GitHub Stars
Slack:
Cal.com: 42.2k
npm Downloads/wk
Slack:
Cal.com: 201.7k
GitHub Forks
Slack:
Cal.com: 13.1k
Open Issues
Slack:
Cal.com: 1.3k
Tags
Slack: messaging, channels, integrations, huddles
Cal.com: scheduling, open-source, self-hosted, calendly-alt