Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.
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Best EteSync Alternatives ranked by AI · updated May 2025
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EteSync is an end-to-end encrypted and secure solution for your contacts, calendars, and tasks.
Price: Free for personal use. Paid plans available for businesses.
🎯 etesync.com
Top 6 EteSync alternatives
Nextcloud is a self-hosted file sync and share server designed to be easy to use and secure.
Pros
- Easy to use
- Strong security features
- Rich collaboration tools
Cons
- Can be resource-intensive
- Limited integration options
Free and paid plans available
ProtonCalendar is a secure and privacy-focused calendar application developed by ProtonMail, offering end-to-end encryption and a user-friendly interface.
Free with ProtonMail account or ProtonCalendar Plus for $4/month
ProtonMail is an end-to-end encrypted email service based in Switzerland.
Free tier available, premium plans starting at $5/month
Tresorit is a secure cloud storage solution that encrypts your files and provides end-to-end encryption for maximum data security.
Starting from $10.42/month
Encrypted note-taking app with a focus on privacy and security.
Free with optional premium features
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