Tuta offers encrypted email, calendar, and contacts, with apps that the site says protect personal data using end-to-end encryption.
Hemmelig.app vs MIT PGP Key Server
How do Hemmelig.app 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 | Hemmelig.app | MIT PGP Key Server |
|---|---|---|
| What it is | The Hemmelig.app project shares encrypted secrets to help keep sensitive information out of chat logs, email, and similar channels. | Search the MIT PGP public key server for keys by email address or name, then retrieve the matching public key. |
| Website | ||
| Type | Open-source project | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Web |
| Open source | Not stated | Not stated |
| Language | English | — |
| Alternatives |
Other options to consider
Sites similar to both Hemmelig.app and MIT PGP Key Server.
Available on web, iOS, Android, and desktop, Proton Mail is an encrypted email service that offers free accounts.
OneTimeSecret creates self-destructing links for sharing passwords and other sensitive information; the page also describes self-hosting.
Yopass encrypts secrets in the browser and creates one-time links that expire, providing a way to share sensitive information without accounts.
Encrypt email and files on Windows with Gpg4win, a software package based on GnuPG.
This OpenPGP page lists email applications that support the standard directly or through additional software, across several desktop platforms.





