cal.diyScheduling infrastructure for absolutely everyone.

cal.diy

Cal.diy is a community-driven, fully open-source scheduling platform that gives you complete control over your scheduling infrastructure. It's a 100% MIT-licensed fork of Cal.com with all enterprise features removed, designed for individuals and self-hosters who want no commercial dependencies.

Key Features

• Full Open Source: Entire codebase under MIT license with no proprietary enterprise edition or open core split
• Self-Hosted Control: Run completely on your own infrastructure with no need for Cal.com accounts or license keys
• Modern Tech Stack: Built with Next.js, tRPC, React, Prisma, and Tailwind CSS for a fast, scalable foundation
• Community Maintained: Contributions go directly into the project with an active development community
• Integration Ready: Supports various calendar and communication integrations out of the box

Use Cases

• Personal Scheduling: Solo practitioners and freelancers managing their own booking infrastructure
• Privacy-First Deployments: Organizations needing full data control with zero third-party dependencies
• Customizable Solutions: Teams wanting to extend and modify scheduling features for specific workflows
• On-Premise Requirements: Enterprises and regulated industries requiring self-hosted solutions

Who Is It For

Cal.diy is ideal for individuals, small teams, and organizations who want complete autonomy over their scheduling platform and are comfortable managing their own server infrastructure. It's perfect for those prioritizing privacy, customization, and avoiding vendor lock-in.