Calendar Apps

Online calendar for teams and groups with link-based access, sub-calendars, reminders, and booking for scheduling.

fruux is a cross‑platform, enterprise‑oriented calendar/contacts/tasks sync and collaboration service built on open standards.

Harmonizely is a CalDAV-based scheduling platform for individuals and teams to book meetings across calendars with video conferencing integrations.

A privacy-first, end-to-end encrypted calendar service by Proton that keeps your schedule private and secure.

Shore is a scheduling and booking platform that streamlines meeting coordination for individuals and teams.

AI-powered online appointment scheduling platform with embeddable widgets and calendar integrations.

Tuta Calendar is a zero-knowledge, end-to-end encrypted calendar service that keeps your events private and secure across devices, integrated with Tuta Mail.