Jack
Cal is very awesome
Cal is awesome, I can extend the code if I want, run the software anywhere I want, and best of all, IT IS FREE. Calendly charges for dozens of features that Cal offers for no charge. Amazing!

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Cal.com, Inc (cal.com) has 433 customer reviews on Five Star Index, with an average rating of 4.7 out of 5.
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Showing 379 reviews with 5 stars · Clear filters
Jack
Cal is awesome, I can extend the code if I want, run the software anywhere I want, and best of all, IT IS FREE. Calendly charges for dozens of features that Cal offers for no charge. Amazing!
Benjamin D.
The open-source approach of Cal.com is of great value for our company. Our product team can check the code instead of writing support tickets and we have already built an integration for a different tool in our stack.
Lisina C.
Is the only open source alternative really. And they really have improved a lot in just one year!