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 10 alternatives to FlowCrypt for a variety of platforms, including Online / Web-based, Mac, Windows, Linux and Android. The best alternative is ProtonMail, which is both free and Open Source. Other great apps like FlowCrypt are Tutanota (Freemium, Open Source), mailbox.org (Paid), Enigmail (Free, Open Source) and Mailvelope (Free, Open Source).
- 19 alternatives
- SCRYPTmail is true end-to-end encrypted email service. Email and meta data, i.e sender / recipient are encrypted when you communicate within scryptmail domain. View 39 alternatives to SCRYPTmail
Service closing, see https://blog.scryptmail.com/discontinuing-of-service/
- Freemium • Proprietary