The best open source alternative to Cal.com is Thunderbird Appointment. If that doesn't suit you, our users have ranked more than 50 alternatives to Cal.com and seven of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Cal.com are Easy!Appointments, Tymeslot, Ink-In-Time and meetergo.
Coordinate meetings by setting your availability, sharing a booking link via email or website, planning one-off or recurring events, integrating your calendar to see appointments in one view, and simplifying scheduling by replacing manual back-and-forth.
Easy!Appointments is a highly customizable web application that allows your customers to book appointments with you via the web. Moreover, it provides the ability to sync your data with Google Calendar so you can use them with other services.
Tymeslot is an open-source meeting scheduling platform built with Elixir and Phoenix LiveView. Deploy it on your own infrastructure or let us run it for you — either way, your data stays yours.
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.
Personalized scheduling of your meetings and calls. Meet Zaptime! 📅 Connect your Google Calendar or iCloud Calendar, customize your availability, and wave goodbye to double bookings. Your schedule, supercharged!.
United States
Greece
EU
Estonia
Germany
