Shyft Score
Directory quality rating
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 stackAbout
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
Use cases
What you can do with Proton Calendar
Schedule meetings with clients who require strict confidentiality
Plan internal team events without exposing sensitive details to third parties
Coordinate with international partners while complying with data protection regulations
Best for
Privacy-conscious individualsSmall businesses seeking secure schedulingRemote teams needing collaborative tools
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
Proton Calendar pricing starts at $0/mo. Contact Proton Calendar for enterprise pricing and volume discounts.
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