Does Proton Calendar integrate with other business tools?

Proton Calendar integrates seamlessly with Proton Mail for unified communication and scheduling. While primarily designed within the Proton ecosystem, it offers customizable calendar views and collaborative features suitable for remote teams and business scheduling workflows.

How secure is Proton Calendar for sensitive business data?

Proton Calendar uses zero-knowledge encryption, meaning your calendar data is encrypted and only you can access it. This makes it ideal for privacy-conscious businesses and teams handling sensitive scheduling information that requires enhanced security protection.

Proton Calendar

Encrypted calendar with zero-knowledge architecture

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Shyft Score

Directory quality rating

Discovered

36/100

Quiet

Our take

The verdict on Proton Calendar

Strengths

Free tier available

Limitations

No MCP/AI agent support yet

Try Proton Calendar's free tier to see if it fits your workflow.

See how Proton Calendar fits your stack

Benefits

Why teams choose Proton Calendar

Ensures complete privacy of your scheduling data with end-to-end encryption

Simplifies collaboration with secure, integrated communication tools

Offers flexibility with customizable views and reminders

Provides peace of mind with a transparent, privacy-focused approach

About

What is Proton Calendar?

Proton Calendar is a calendar service with a strong focus on privacy based in Switzerland. Proton Calendar uses zero-knowledge encryption, which means that the company can not read the content of your calendar even if they are stored on their servers.

Key capabilities

Zero-knowledge encryption for enhanced privacy

User-friendly interface for easy scheduling

Integration with Proton Mail for seamless communication

Customizable calendar views (daily, weekly, monthly)

Event reminders and notifications

At a glance

What you can do with Proton Calendar

Scheduling confidential meetings without data exposure

Collaborating with clients requiring privacy compliance

Planning internally without third-party tracking

Meeting international data protection regulations

Managing sensitive organizational schedules

Best for

Privacy-conscious professionals and organizations handling confidential schedules or requiring GDPR compliance and data protection.

Pricing

Proton Calendar pricing

Proton Calendar starts at $0/mo

Starting at $0/mo

Ecosystem

Connected ecosystem

MCP servers, AI skills, and integrations that work with Proton Calendar

Integrations

Proton MailGoogle CalendarMicrosoft OutlookZapierSlackTrelloAsanaCalendlyZoom

FAQs

Frequently asked questions

Common questions about Proton Calendar and its capabilities

Yes, Proton Calendar offers a free tier at $0/month with core scheduling features. The freemium model allows small businesses to use basic calendar functionality without cost, though premium features may require paid plans for larger teams or advanced needs.