The best Calendar alternative to PrivateMail is Proton Mail, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to PrivateMail and five of them are Calendar Apps so hopefully you can find a suitable replacement. Other interesting Calendar App alternatives to PrivateMail are Tuta Mail, mailbox, Posteo and VFEmail.
Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.
Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.
E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).
Web- and IMAP-based email service. 4GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.
Switzerland
Germany
EU
