Best Self Hosted Alternatives to Visibook

Cal.com is an open-source scheduling and appointment booking platform often compared to Calendly. It lets individuals and teams publish booking pages, define availability rules, and manage confirmations and notifications, with strong customization and API-first extensibility.

Key Features

• Public booking pages and shareable booking links
• Availability management with buffers and daily/weekly/monthly limits
• Booking confirmations, rescheduling flows, and calendar event creation
• Automated reminders and follow-ups via email and SMS (via integrations)
• Team scheduling capabilities and admin controls for organizations
• API-driven architecture designed for embedding and white-label deployments

Use Cases

• Personal and team appointment scheduling (sales calls, interviews, office hours)
• Service-based bookings (consultations, classes, sessions)
• Building a custom scheduling product on top of a self-hosted platform

Cal.com is well suited for organizations that want control over scheduling workflows, branding, and data. It provides a modern web stack and an extensible foundation for building scheduling experiences for both internal teams and external customers.

Easy!Appointments is an open source web application for managing services, providers, and customer bookings through a public booking page and an admin backend. It is designed to be customizable for different scheduling workflows and can integrate with Google Calendar for synchronization.

Key Features

• Customer-facing booking interface for creating appointments
• Backend management for customers, appointments, services, and providers
• Working plans, availability settings, and booking rules
• Google Calendar synchronization for appointments
• Email notifications for booking-related events
• Translated user interface for multilingual deployments
• REST API for integrations and automation

Use Cases

• Booking management for clinics, salons, and other service-based businesses
• Scheduling interviews, consultations, or internal appointments with staff availability
• Embedding a booking flow into an existing website while sharing a database

Limitations and Considerations

• Deployment and upgrades require managing PHP version compatibility and database updates
• Some advanced capabilities mentioned in the ecosystem (e.g., payments, SMS, extended reporting) may require additional development or premium services

Easy!Appointments provides a solid foundation for organizations that need a self-managed scheduling system with provider/service structure and calendar synchronization. It fits well for teams wanting a customizable booking application that can be integrated into existing web environments.