Cal.AI

Cal.com is an open-source scheduling infrastructure platform that provides customizable appointment booking solutions for individuals, businesses, and developers. It eliminates the friction from meeting coordination with features like automatic calendar syncing, conflict prevention, custom availability rules, and multiple meeting format options (video, phone, in-person). Smart Calendar Integration – Automatically prevents double bookings across connected calendars Flexible Availability Control – Set buffers, minimum notice periods, and daily/weekly booking limits Customizable Booking Links – Create branded, memorable scheduling pages Multi-Format Meetings – Support for video calls, phone meetings, and in-person appointments Enhanced Booker Experience – Calendar overlay, SMS/email confirmations, auto-rescheduling, and meeting reminders No-Show Reduction – Automated reminder notifications via SMS and email Enterprise-Grade Security – SOC 2 Type II, HIPAA, GDPR, CCPA, and ISO 27001 compliant Developer-Friendly – Open scheduling infrastructure for building scheduling into other platforms Service providers, agencies, SaaS companies, healthcare professionals, sales teams, and developers who need reliable, customizable scheduling without the hassle of manual coordination or double bookings. Free for individuals | Enterprise plans available