Sun's Java Card Technology Specifications, documentation and reference implementations for the Java Card platform. http://java.sun.com/products/javacard/index.html

PSE Technology Lab Research and development lab with a main focus on Java and Smart Card technologies. http://www.psetechlab.com/

Dallas Semiconductor About the iButton, a Java Card 2.0-compliant processor in a stainless steel can. http://www.ibutton.com/

Schlumberger Limited Offers a range of Java Smart Cards for GSM, banking/financial and internet security applications. http://www.cyberflex.slb.com/

Smart Sign Project Project aims to integrate smart card technology with Public Key Infrastructures into open, unrestricted and interoperable solutions. http://smartsign.sourceforge.net