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Cal.com

Open-source Calendly alternative you can self-host

6 approved alternatives Suggest an alternative
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Looking for a tool like Cal.com (Open-source Calendly alternative you can self-host)? Below are 6 AI tools people use as an alternative to Cal.com, ranked by leaderboard position. Each one is approved by our editors and worth comparing before you decide.

x.ai
x.ai

The pioneering email scheduling AI — its domain now belongs to Elon Musk's xAI

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Motion
Motion

AI calendar that rebuilds your day as priorities shift

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Fantastical
Fantastical

Natural-language calendar app for Apple devices

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Clockwise
Clockwise

Former AI calendar optimizer; service shut down in March 2026

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Calendly
Calendly

The default scheduling link, now with AI-suggested times

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Acuity Scheduling
Acuity Scheduling

Online booking that syncs straight to your calendar

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