The best place to go for downloading free software that implements the OpenPGP standard is The
International PGP Home Page. This site in Norway has been run by PGP activist Stale Schumacher since before PGP Inc was incorporated.
To download PGP, you can rely on these trusted sites:
- Where to find PGP
Detailed information by Phil Zimmermann on where to find PGP, and what versions are available.
International PGP home page, for freeware versions of PGP outside of US,
including source code. Includes many foreign language translations of PGP and
To download source code for other OpenPGP-compliant products, try these:
- Gnu Privacy Guard
Source code is available for this well-known open source OpenPGP-compliant product.
Web based encrypted email implemented as a Java applet, with free source code downloads.