cal.com

Cal.com addresses the common 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 backend/API teams and DevOps/platform teams who need to integrate scheduling into their applications. With over 40,000 stars and steady growth, it demonstrates a stable community interest, indicating that it is a production-ready solution. However, it may not be the right choice for teams requiring highly customisable scheduling features or those needing a simple, lightweight solution without extensive dependencies.

This is a strong choice for teams looking for a self-hosted option that can be integrated into existing applications, especially when managing complex scheduling needs. Teams should consider alternatives if they require minimal setup or if they need a more straightforward scheduling tool without the overhead of additional features.

Cal.com is ideal for backend/API teams, engineering managers, and frontend teams who need to implement scheduling functionalities within their products. It typically fits into systems that require user interaction for booking appointments, such as client management applications and collaborative platforms.

Latest commit: 2026-02-03. Over the past 86 days, this repository gained 1.3k stars (+3.3% growth). Activity data is based on daily RepoPi snapshots of the GitHub repository.