GnuPGK 1.2 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus. The most popular version among GnuPGK users is 1.2. This free program was originally produced by KmanPro. The GnuPGK installer is commonly called GnuPGK.exe. GnuPGK relates to Development Tools.
From the developer:
GnuPGK is an open source GnuPG Frontend GUI made in C#. It is compatible with PGP as well so it can be a very useful tool for encryption/decryption. It also incorporates a shell extension so it can be easy to right click and encrypt or decrypt.
You may want to check out more software, such as DBAddin, EMS SQL Manager 2005 for PostgreSQL or Mybase, which might be similar to GnuPGK.