Cal.com vs Chanty vs Slack vs Weave

Cal.com+

Starting price

$15

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Chanty+

Starting price

$4/month

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Slack+

Starting price

$7.25/month

ViewVisit site ↗

Weave+

Starting price

—

ViewVisit site ↗

Attribute	Cal.com	Chanty	Slack	Weave
Category	Events, Scheduling & Booking	Communication	Communication	Communication
Pricing	Free tier	Free tier	Free tier	Paid
Starting price	$15	✓ $4/month	$7.25/month	—
Free tier	✓ Yes	✓ Yes	✓ Yes	No
Free trial	✓ Yes	✓ Yes	✓ Yes	Unknown
Deployment	Hybrid	—	—	—
API available	✓ Yes	Unknown	✓ Yes	Unknown
Platforms	—	—	—	—
Certifications	3	—	✓ 8	—
Integrations	✓ 6	3	2	—
Company	—	—	Founded 2009	—
Feature attributes
Sso Saml	✓ Yes	— Unknown	✓ Yes	— Unknown
Rbac	✓ Yes	— Unknown	✓ Yes	— Unknown
Mobile App	— Unknown	— Unknown	— Unknown	— Unknown
Webhooks	✓ Yes	— Unknown	— Unknown	— Unknown
Data Export	— Unknown	— Unknown	✓ Yes	— Unknown
Calendar Integrations	✓ Yes	— Unknown	— Unknown	— Unknown
Group Scheduling	✓ Yes	— Unknown	— Unknown	— Unknown
Payment Collection	✓ Yes	— Unknown	— Unknown	— Unknown
Routing Forms	✓ Yes	— Unknown	— Unknown	— Unknown
Self Hosting	✓ Yes	— Unknown	— Unknown	— Unknown
Video Conferencing	— Unknown	— Unknown	✓ Yes	— Unknown
Team Messaging	— Unknown	— Unknown	✓ Yes	— Unknown
Max Participants	— Unknown	— Unknown	— Unknown	— Unknown
Screen Sharing	— Unknown	— Unknown	✓ Yes	— Unknown
Guest Access	— Unknown	— Unknown	— Unknown	— Unknown

Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.