Gpg4win
gpg4win.orgSecure email and file encryption with GnuPG for Windows
Securityencryptiongpgpgpemail-securityopen-sourcewindowscryptography

About
Gpg4win is a free, open-source encryption suite for Windows that enables users to encrypt and sign files and emails using GnuPG. It bundles tools including Kleopatra, GpgOL, and GpgEX to support both OpenPGP and S/MIME standards. The package is aimed at end users who want to protect their communications and files on Windows systems.
Problem
Users need a straightforward way to encrypt and sign emails and files on Windows using GnuPG-based cryptography.
For
Windows users who want to encrypt files and emails
How it works
Gpg4win bundles GnuPG with GUI tools like Kleopatra and shell/Outlook plugins, allowing users to encrypt, decrypt, and sign files and emails directly from Windows with a few clicks.
Business model
free
Status
launched