GPGTools!

Gpg4win is an installer package for Windows (2000/XP/2003/Vista) with computer programs and handbooks for email and file encryption. Both relevant cryptography standards are supported, OpenPGP and S/MIME. Gpg4win and the software included with Gpg4win are Free Software (among other things free of charge for all commercial and non-commercial purposes).

gpg4usb is an easy to use, small portable editor with the possibilityto encrypt and decrypt any text-message or -file you want. For encryption it acts asa gpg-frontend (http://gnupg.org/ ). Its intend is to be used from an usb-stick,running on Windows(TM) and Linux. Providing a mac-binary is on our TODO-list.

GPGshell is a Windows GUI for the GNU Privacy Guard - an open source software suite for public-key cryptography compatible with PGP. It provides a simple-ish interface to manage the encryption keys, encrypt and sign files, check the signatures and the like. It is freeware (though, unlike GPG, not free software) and with little effort can be made portable.

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.

The perfect solution for regulated industries use of email to communicate protected health information (PHI); Paubox email solution is HIPAA compliant and will sign Business Associate Agreements. Great for small to medium sized practices required PHI compliance, but don't have the resources for an expensive IT management and confusing enterprise solution.

p=p is a cyber security solution which protects the confidentiality and reliability of communications for citizens, for public offices and for enterprises.

WinGPG is a tray-based classical Windows application, Windows NT Explorer shell extension, and a classic GPGv2 distribution. It offers you an opportunity to manage keys and files easily. Our utility provides a simple and effective GUI, and we make it available under the GPL license.It supports the following operations: Key management (create, import, export, revoke), Encrypt/Decrypt, Sign /Verify for files, WinNT Explorer support via context menus, Global shortcuts working from the active explorer window or clipboard, Clipboard support both for texts and files, No complicated setup ( just run batch file).WinGPG registers shortcuts and extensions into your system and lets you work more comfortably and configurably. In our application we use your existing keys. If you already have GPG keyring in the standard location, WinGPG will use it automatically and all your keys will be the same »

Simple portable GUI for GnuPG that lets you encrypt & decrypt data.

DigiVault is a portable, file-based encryption software for Windows

PGPigeon is a simple but powerful OpenPGP-compatible message encryption webapp based on the openpgp.js library.

Mynigma is a new kind of email client with built-in encryption.