FlowCrypt is described as '(formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted' and is an app in the security & privacy category. There are more than 25 alternatives to FlowCrypt for a variety of platforms, including Web-based, Mac, Android, iPhone and Windows apps. The best FlowCrypt alternative is Proton Mail, which is both free and Open Source. Other great apps like FlowCrypt are Tuta Mail, mailbox, Mailvelope and Enigmail.
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).
Mailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard.
Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the .
Free anonymous email platform offering automatic PGP encryption, dedicated Tor .onion address, strict no-logs policy, no personal data or phone required, and anonymous payments through Monero, Bitcoin, Ethereum, or credit card. Compatible with Tor and web browsers.
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.
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...
Runbox offers email hosting, domain hosting, and web hosting services, as well as custom-made email solutions
Switzerland
Germany
EU
United States
Norway