Alternatives to Cal.com
Cal.com is an open source scheduling infrastructure and Calendly alternative. It provides comprehensive features for managing appointments, scheduling, and calendar integration with a focus on privacy and customization. Find open source and proprietary alternatives that serve similar purposes.
Self-hosted alternatives to Cal.com
Open source projects that can replace Cal.com:
Alf.io
Alf.io is an open source event attendance management system designed for event organizers who prioritize privacy, security and fair pricing for their customers. It provides comprehensive ticketing and registration features through a modern web interface.
Key Features
-
Event Management:
- Create and manage multiple events
- Flexible ticket tags and pricing
- Custom registration forms
- Waitlist management
- Check-in system
- QR code tickets
-
Payment Processing:
- Multiple payment gateway support
- Secure payment handling
- Refund management
- Invoice generation
- Promo code support
- Multi-currency support
-
Attendee Features:
- Online ticket purchase
- Digital ticket delivery
- Apple/Google Wallet passes
- Email notifications
- Registration modification
- Ticket transfer
-
Technical Features:
- REST API access
- Multi-language support
- Customizable templates
- Database-driven
- Mobile-friendly interface
- Extensible architecture
Who Should Use Alf.io
Alf.io is ideal for:
- Conference and event organizers
- Workshop coordinators
- Meetup organizers
- Trade show managers
- Organizations needing ticketing systems
- Privacy-focused event platforms
Installation Requirements
- Java 17 or later
- PostgreSQL 10+
- Modern web browser
- 1GB RAM minimum
- Storage for event data
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