Cal.com
Open-source scheduling infrastructure platform (formerly Calendso) that gives users complete control over their scheduling data and workflows, offering white-label customization and self-hosting options for privacy-conscious organizations.
Last updated: 2026-03-16 05:58
Overview
Cal.com (formerly Calendso) is an open-source scheduling platform launched in 2021 that has quickly become popular among developers and privacy-conscious users who want complete control over their scheduling tools and data.
Features
- 100% white-label scheduling
- Self-hosting option for complete data control
- Unlimited event types (even on free plan)
- Team scheduling and round-robin assignment
- Workflow automations
- Video conferencing integrations (Zoom, Google Meet, Microsoft Teams)
- Calendar synchronization (Google, Outlook, Apple)
- Custom branding and domains
- API access for custom integrations
- Payment processing (Stripe)
- Booking confirmations and reminders
- Time zone detection
- Customizable booking forms
Open Source Advantage
Being open-source means:
- Complete transparency in how your data is handled
- Ability to self-host on your own infrastructure
- Community-driven development and improvements
- No vendor lock-in
- Extensibility through custom development
Comparison to Competitors
Cal.com's free plan surpasses many competitors (like Calendly) with unlimited event types and superior customization options. The open-source nature allows complete control over the scheduling experience.
Pricing
Free plan available with unlimited event types. Paid plans start at $12/month for additional features like team collaboration, workflow automation, and priority support. Self-hosted option is free with optional paid support.
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