cal.com

Cal.com addresses the challenge of scheduling by providing a robust open source tool for engineering teams. It simplifies the process of managing appointments and meetings, making it particularly beneficial for roles such as backend developers and DevOps engineers who require reliable scheduling infrastructure. With over 40,000 stars and a steady growth of 1,446 stars in just 96 days, Cal.com demonstrates a strong community interest and maturity, indicating it is a production-ready solution. However, it may not be the right choice for teams seeking a lightweight or minimalistic scheduling tool, as its feature set can be extensive for simpler needs.

Cal.com is a strong choice when teams need a comprehensive scheduling solution that integrates well with existing systems. Consider alternatives if your project requires a simpler, more streamlined scheduling tool without the extensive features offered by Cal.com.

This tool is ideal for backend developers, product managers, and technical leads who require efficient scheduling capabilities in their workflows. It is commonly used in products and systems that involve appointment management, team coordination, and event planning.

Latest commit: 2026-02-13. Over the past 97 days, this repository gained 1.4k stars (+3.7% growth). Activity data is based on daily RepoPi snapshots of the GitHub repository.