PKCS#11 also called Cryptoki

Smartcards and Tokens pkcs#11 implementations

PKCS11 FAQ

Mozilla.org Open Source PKCS#11 implementation: Personal Security Manager (PSM)

freeware implementation of PKCS11

the Cryptographic Token Interface Standard PKCS11

Implementing PKCS #11 for the Netscape Security Library

Using the JAR Installation Manager to Install a PKCS #11 Security Module

PKCS#11 Utility Package 1.0.6

PKCS11 API for Java : IBM alphaWorks technology

Algorithmic Research PKCS#11-Standard CryptoKit - Cryptographic toolkit

Smart Card Central - The source for information on smart cards

GSA - Smart Cards Resource Library

Cryptoki Mailing list

cryptoki@rsa.com is a mailing list for people interested in following and/or contributing to the development of the PKCS #11 Cryptographic Token Interface Standard. The list is a forum for Cryptoki-related ideas and discussions.
Sending mail to majordomo@rsa.com can accomplish the following useful functions for CRYPTOKI mailing list:

To subscribe to a mailing list, send the words "subscribe cryptoki" in the text body.
To unsubscribe from a mailing list, send the words "unsubscribe cryptoki" in the text body.
To learn what files are available that are associated with a mailing list, send the words "index cryptoki" in the text body.
To fetch a file associated with a mailing list, send the words "get cryptoki <filename>" in the text body.
Mailing list archives are available through the above method.