Tuta offers encrypted email, calendar, and contacts, with apps that the site says protect personal data using end-to-end encryption.
Proton Mail
vsMIT PGP Key Server
Proton Mail vs MIT PGP Key Server
How do Proton Mail and MIT PGP Key Server compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Proton Mail | MIT PGP Key Server |
|---|---|---|
| What it is | Available on web, iOS, Android, and desktop, Proton Mail is an encrypted email service that offers free accounts. | Search the MIT PGP public key server for keys by email address or name, then retrieve the matching public key. |
| Website | ||
| Type | App | Website |
| Topic | ||
| Pricing | Freemium | Not confirmed |
| Platforms | Web, Windows, macOS, Linux, Android, iOS | Web |
| Open source | Yes | Not stated |
| Language | English | — |
| Alternatives |
Other options to consider
Sites similar to both Proton Mail and MIT PGP Key Server.
This OpenPGP page lists email applications that support the standard directly or through additional software, across several desktop platforms.
Internxt offers encrypted cloud storage using zero-knowledge technology, with additional products listed for VPN, antivirus, cleaner, and mail.
Paid
24 alternativesGnuPG implements the OpenPGP standard and provides tools to encrypt and sign data and communications, with key management and directory access.
With backup and sync, Stingle Photos offers a gallery and camera app; its page says photos and videos are encrypted before storage.
Encrypt email and files on Windows with Gpg4win, a software package based on GnuPG.