openPGP vs x509

[Per Tunedal Casual]

At 20:34 2004-04-07, Werner Koch wrote:

 >For a casual user it is far easier to create a PGP key than an X.509
 >key/certificate.  You can instantly do this with OpenPGP tools (ssh is
 >similar) whereas you have to go into lengthy discussions with OpenSSL
 >to create even just a self-signed certificate containing a usable
 >email attribute.
OT? I have been looking for tools to make self-signed X.509 but haven't 
found any. Do you have any hints? Links?
Rational: some people refuse using PGP-encryption/signing.
Per Tunedal