PADL provides directory service integration software based on the Lightweight Directory Access Protocol. Our products are used by almost a million people worldwide, at universities, U.S. government agencies, financial institutions and in the aerospace industry. Our software is included with products from Apple Computer, Hewlett Packard, Microsoft and Red Hat. The RFC 2307 schema authored by PADL has been endorsed by all major Linux and UNIX vendors. PADL's commercial products include the NIS/LDAP Gateway. Open source products include the name service modules, nss_ldap and pam_ldap.