Proton Calendar
Secure calendar for organizing team schedules and meetings with end-to-end encryption.
What it does
Secure calendar for organizing team schedules and meetings with end-to-end encryption.
- Privacy-focused email
- Encrypted team collaboration
- Secure cloud storage
- Business communication and compliance
- Category
- Personal productivity and utilities
- Users
- individuals, businesses
- Public API
- Not offered
Not yet disclosed: deployment options, platforms, languages and support channels.
Pricing
- Free plan$0
Prices as published by Proton, checked Oct 2026.
Security and compliance
As reported by Proton. Ask for audit reports before you buy.
- ISO/IEC 27001Compliant
- End-to-end encryption
- Zero-access encryption
- Open source and independently audited
- Proton Sentinel advanced threat protection
- Email tracker blocking
Reviews
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