It allows to encrypt,decrypt,sign and verify text and files with a nice and absolutely straight graphical interface.
It's absolutely simple to use and provides everything you need to get started with PGP cryptography.
(Jun 2012) New version 1.0.7 released !
Works with Oracle Java 7, Windows 7 x64 and Ubuntu (x64) OpenJDK
On the go USB-Stick version available !
After a long wait, the USB-Stick version of PortablePGP is ready.
It's a simple zip file that you've to decompress on the root folder of your USB drive and allows to run PortablePGP on both Windows™ and Linux platforms without the need of installing it and without the need to have a Java virtual machine installed(a private JRE is bundled in)
Runs everywhere USB-Stick : Proceed to download
Otherwise, if you prefer to download and install it as a standard application
Fully automatic setup for Windows : PortablePGP-setup.exe
Standalone Application (Win/Linux) : PortablePGP-1.0.7.zip
Sources: SVN instructions
For safety (anti-tampering) reasons here's the keystore public cer used to sign the Jar of Portable PGP
Requirements (automatically installed if using "Fully automatic setup for Windows"):
The application is released under the terms of the GNU GPL