PGP Corporation released PGP SDK 3.0.2.  Woohoo!  Two types of licenses are available:

• Weak-Link License – for developers who wish to take advantage of PGP capabilities on systems that already have a PGP product installed.  PGP libraries cannot ship with your product. This license is cost free.
• OEM Developer License - for developers who want to integrate PGP technologies into their products' feature set.  PGP libraries can be shipped with your product.  This license is not free.

To get the SDK, follow the instruction on the SDK page.