Kleopatra Alternatives

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

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

GPG4Win is an encryption program for files and emails. The program encrypts emails and files so that they can only be read by those intended to receive them.

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).

PGPTool allows you to encrypt and decrypt files. It's free and easy to use.

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

When you need to know that your information is secure, VeraCrypt offers an added layer of protection. Their encrypting process keeps your files and data safe from prying eyes.

KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.

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

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.

Front end for GnuPG.

Security extension to Mozilla Thunderbird and SeaMonkey

Convenient End-to-End Encryption for E-Mail