p=p is described as 'It offers an automatic and easy to use solution with end-to-end protection for all written digital communications over the Internet. It have been designed to provide extremely easy and automatic encryption by default for e-mail' and is a Email Client in the security & privacy category. There are more than 10 alternatives to p=p for a variety of platforms, including Mac, Windows, Linux, iPad and iPhone apps. The best p=p alternative is GnuPG, which is both free and Open Source. Other great apps like p=p are GPG4Win, Kleopatra, Yandex Mail and GPGTools.
GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.
Gpg4win enables users to securely transport emails and files with the help of encryption and digital signatures. Encryption protects the contents against an unwanted party reading it. Digital signatures make sure that it was not modified and comes from a specific sender.
Yandex Mail is a reliable email solution for work and personal correspondences with a built-in translator.
Use GPG Suite to encrypt, decrypt, sign and verify files or messages. Manage your GPG Keychain with a few simple clicks and experience the full power of GPG easier than ever before.
PGP for Windows, MacOS and linux. Desktop application to encrypt and decrypt PGP files. It's free and easy to use. OpenPGP compatible.
A GnuPG Frontend GUI made in C#. It is compatible with PGP as well so it can be a very useful tool for encryption/decryption. It also incorporates a shell extension so it can be easy to right click and decrypt or decrypt.
Desktop Email Encryption provides an end-to-end email encryption solution that automatically encrypts and decrypts email directly from one user's client to another's without the need to log into a third-party website or by other means.
Paubox provides HIPAA compliant email encryption without the hassle of extra steps. Just send emails like normal from any device.
With Pignus you can encrypt and decrypt your Messages and Documents and send them to your Contacts. Simply create your Profile in Pignus, share it with your Contacts, and then encrypt for them.
Autocrypt is a set of guidelines for developers to achieve convenient end-to-end-encryption of e-mails. It specifies how e-mail programs negotiate encryption capabilities using regular e-mails.
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