Gpg4win is an email and file encryption package for most versions of Microsoft Windows, which uses GnuPG public-key cryptography for data encryption.
License: Open Source
GPG4Win is designed for Windows users with a focus on ease of use and integration, featuring a graphical user interface and tools like Kleopatra. In contrast, GnuPG offers greater flexibility and cross-platform support, catering to advanced users who prefer command-line operations.