OpenSSL A toolkit implementing SSL v2/v3 and TLS protocols with full-strength cryptography world-wide. It is based on SSLeay, developed by Eric Young and Tim Hudson. [Free / Open Source] (The OpenSSL Project) http://www.openssl.org

E-Lock Technologies Providing PKI based Digital Signature and Encryption products and services. http://www.elock.com

Secorvo Security Consulting GmbH Consultancy and Services: PKI Concepts, Strategies and Implementation for big compagnies worldwide http://www.secorvo.de

OpenCA Opensource Certification Authority software. http://www.openca.org

OpenLDAP Open source LDAP software including servers, clients, and SDKs. http://www.openldap.org

SecureNet A global provider of secure e-commerce solutions for Internet applications, remote banking, virtual private networks (VPNs) and data critical e-commerce activities. http://www.securenet.com.au/

Aladdin Knowledge Systems Access control systems and user authentication ensure only authorized users access online information. By implementing strong user authentication and access control systems, organizations can ensure that only authorized users access their online information. http://www.ealaddin.com/etoken/

IDX-PKI IDX-PKI is an Open Source implementation of a Public Key Infrastructure which aims to be IETF compliant for PKIX License recommandations. Always improved, IDX-PKI is already fully usable and suitable for commercial use. http://idx-pki.IDEALX.org/

PKIForum.com PKIForum.com is an independent news, information and education organization focused on public key infrastructure (PKI). Good source of news on new PKI related products and services. http://www.pkiforum.com/main.html

VeriSign Trust Services Integration Kit (TSIK) TSIK provides free Java APIs that simplify trusted application development. The APIs enable rapidly integration of digital trust services, from secure XML processing to authentication, authorization, and payments. Developers can integrate with VeriSign's digital trust services without knowing the details of the lower level functions such as signing and processing of XML. Developers can also use these APIs to create secure XML applications of their own. http://www.xmltrustcenter.org/developer/verisign/tsik/index.htm

eOriginal, Inc. Enables the electronic creation, transmission, storage and retrieval of protected electronic original documents. Features product description and company profile. http://www.eoriginal.com

SUNPKI Sun Microsystems Inc.'s Public Key Infrastructure. http://www.sun.com/pki/

Elevated Computing - USB Secure-IT-Key file encryption key. Elevated Computing providers of Secure-IT-Key PKI file encryption Key. http://elevatedcomputing.ca

SecCommerce GmbH SecCommerce Informationssysteme GmbH produce software-solutions for Internet-security. There are products offered for security infrastructure and digital signature as well as projects for realizing crucial business workflows in the Internet. http://www.seccommerce.com

beTRUSTed Service from PricewaterhouseCoopers, secures large commercial transactions and communications over the Internet through the issuing of digital certificates. http://www.betrusted.com

Alacris Alacris develops and deploys software products and services that enable large enterprises to consolidate the management of their PKI security technologies. http://www.alacris.com

Tovaris: The Digital Identity Company Tovaris: The Digital Identity Company provides enterprises, ASPs and ISPs with an email solution comprised of the Mithril Secure Server and SecureTier, a PKI application. http://www.tovaris.com

Information Security Corporation Makers of SecretAgent and other PKI enabled products. http://www.infoseccorp.com

Electrosoft Services - Security and PKI Consulting Electrosoft Services is a consulting and software development company specializing in IT and Internet security, and public key infrastucture (PKI). http://www.electrosoft-inc.com

Alacris OCSP Client The Alacris OCSP Client provides an extension to Microsoft CryptoAPI, providing provides Online Certification Status Protocol functionality. http://alacris.com/products/products_identityValidation.htm