iGPMail Alternatives

File encryption software for Windows.

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).

Open Source

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AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.

jCardSim is an open source simulator implements Java Card, v.2.2.1: - javacard.framework.*

Kleopatra is a certificate manager and GUI for GnuPG.

Cryptkeeper is a Linux system tray applet that manages EncFS encrypted folders.

When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.

Open Source

AES Crypt is an advanced file encryption utility that integrates with the Windows shell or runs from the Linux command prompt to provide a simple, yet powerful, tool for encrypting files using the Advanced Encryption Standard (AES).

Use GPG Suite to encrypt, decrypt, sign and verify files or messages.

The most widely used email encryption standard. Defined in RFC 4880.

Password-encryption of files and directories. File PEA encrypts files and folders with authenticated encryption to protect confidentiality and integrity. The program uses memory-hard key derivation functions to prevent custom hardware attacks.

Open Source

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Convenient End-to-End Encryption for E-Mail