Cost / License
- Free
- Proprietary
Application types
Platforms
- Android
- iPhone
- iPad




Tildamail is described as 'Free, decentralized, and secure email system, developed by Stanford graduates. We are an end-to-end encrypted email system that protects your privacy. Tilda is a standard for DApps backed by self-sovereign data. User data never touches our servers' and is an website in the security & privacy category. There are more than 50 alternatives to Tildamail, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Mac apps. The best Tildamail alternative is Proton Mail, which is both free and Open Source. Other great sites and apps similar to Tildamail are Tuta Mail, Disroot, Zoho Mail and Posteo.




Commercial email service emphasizing OpenPGP message encryption, SSL/TLS security, two-step authentication, file storage, custom domains, iOS support, spam filtering, ad-free web interface, and secure communications accessible via browsers and existing clients.




FlowCrypt (formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted.




Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.



GPGMail is a PGP plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the OpenPGP standard.
Soverin is an independent private company based in Amsterdam, run by a team of internet enthusiasts who want to create great products that are safe, beautiful and easy to use. We’re passionate about changing the status quo and actively want to raise awareness about digital...

Thexyz build the best tools around for email to make your life simple. Continually updating the product offerings to give customers the very best in email and domain technology.



Runbox offers email hosting, domain hosting, and web hosting services, as well as custom-made email solutions




Swisscows.email is another product of Swisscows AG. This product offers you secure email traffic. With Swisscows.email you can send your emails encrypted so that absolutely no one can read them. The service is comparable to a letter that is protected from prying eyes in an...




Systemli.org is a left network and technics-collective that was founded in 2003. Our aim is to provide safe and trustworthy communication services. The project addresses political activists and people who have a particular need to protect their data.
Fripost – the Free Email Association. Fripost organize the people who want an alternative to "free" e-mail services where you are constantly under surveillance and personal data is handed over to third parties.