This article explains 10 things that should be done on Facebook in order to avoid identity theft.

Multipurpose converter and generator. Can directly send generated results to any url.

Script to run an OpenId server.

Highlights:

• Written in Perl
• Utilizes MySQL
• Written to run in Apache
• Supports multiple users
• Login and user pages are “templates” that are easily customized
• Implements every mandatory message exchange in OpenID 2.0
• Implements much of the OpenID 1.1 specification (“dumb” mode described in the 1.1 spec has not been tested)
• Supports deployments that use HTTP or HTTPS
• Password validation routine is separated from the login page to optionally allow one to use HTTP for identifiers, but HTTPS to actually validate the user password
• Supports both (HMAC|DH)-SHA1 and (HMAC|DH)-SHA256
• Entirely free open source with no licensing restrictions