Microsoft Outlook is a popular email and calendar software that offers advanced features for managing emails, calendars, tasks, and contacts.
Starting at $69.99/year
Best Proton Calendar Alternatives ranked by AI · updated Aug 2026
Proton Calendar is a privacy-focused calendar for individuals and teams who want encrypted event data and a Google Calendar alternative. It provides calendar sharing, invitations, recurring events, and integration with Proton's wider privacy ecosystem.
Top 6 Proton Calendar alternatives
TimeTree is a collaborative calendar app for families and groups that allows multiple users to share and sync schedules.
Free with in-app purchases
Dawn Calendar is a minimalist calendar application for organizing events across Apple devices. It emphasizes a clean interface, natural-language event creation, and...
Pros
- Cleaner and less cluttered than feature-heavy calendar clients
- Designed for fast personal scheduling and at-a-glance planning
- More focused interface than general productivity suites
Cons
- Smaller ecosystem and integration range than Google Calendar or Outlook
- Less suitable for complex team scheduling and shared work calendars
- Availability and pricing vary by platform
Nextcloud Calendar is a feature-rich calendar app that integrates seamlessly with the Nextcloud platform, allowing users to manage their schedules, events, and...
Free and open-source
Handy Calendar is a lightweight online calendar for organizing events, appointments, and reminders. It is aimed at individuals who want a simpler...
Pros
- Simpler interface than Google Calendar or Outlook
- Suitable for basic personal scheduling and reminders
- Lower feature complexity than full productivity suites
Cons
- Fewer collaboration and sharing features than Google Calendar
- Less extensive integration support than Outlook or Apple Calendar
- Limited advanced scheduling and automation capabilities
Google Calendar is a time-management and scheduling calendar service developed by Google. It allows users to create and edit events, set reminders,...
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