Kalendarius
European, GDPR-native scheduling alternative to Calendly
Kalendarius launched on September 4, 2026.
What it does
Kalendarius is a GDPR-compliant appointment scheduling platform built for European businesses, teams, and professionals. Unlike US-based scheduling tools that transfer personal data offshore, Kalendarius keeps all data strictly within the EU. Features include real-time 2-way sync with Google Calendar and Outlook / M365, round-robin team routing, customizable booking links, and a formal Data Processing Agreement (DPA) included out of the box.
Appointment scheduling hosted in Germany: booking links, Google, Microsoft and Zoho calendar sync, team links and email reminders. Free plan included.
Kalendarius is appointment scheduling software hosted in Germany. Share your booking link, connect Google, Outlook or Zoho Calendar, and let email reminders go out on their own. Fewer back-and-forth emails for you, a quick booking page for your clients and participants, and one place to manage every appointment. Create event types such as a 15-minute intro, a 45-minute consultation or a panel interview. Set buffers between calls, minimum notice and how far ahead people can book, and see upcoming, pending and past appointments in one dashboard. Guests don't install anything or create an account. They see your free times in their own time zone, pick one and get a confirmation email with a…from kalendarius.com
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Source: Product Hunt launch ↗
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