Appointment scheduling/booking application that aims to be super-simple, and open source!
Cost / License
- Free
- Open Source (MIT)
Platforms
- Linux
- Online
- Self-Hosted

zcal is described as 'Ll-in-one scheduling solution built for speed. It’s beautiful, easy to use, and fully integrated with Google, Office 365, and Outlook calendars. Sign up for free today!' and is a appointment scheduler in the office & productivity category. There are more than 50 alternatives to zcal for a variety of platforms, including Web-based, SaaS, Android, iPhone and Self-Hosted apps. The best zcal alternative is Thunderbird Appointment, which is both free and Open Source. Other great apps like zcal are Notion Calendar, Cal.com, Doodle and Crab Fit.
Appointment scheduling/booking application that aims to be super-simple, and open source!

AI-powered platform automates appointment booking via email, stores data in Germany for full GDPR compliance, supports team scheduling, payments, reminders, integrations with 90+ services, offers instant setup, multi-language support, and enterprise features.


No back-and-forth emails, no double booking and only a few seconds to schedule an appointment with you. It's idea is simple: you create your calendar, set your availability and then share it with our clients or co-workers, who can easily schedule an appointment.











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