The AMBdigital's Event Manager is $79 (US) each. One copy required for each server. Requirements: Any linux server that supports mysql and php and has a web server (contribs.org, e-smith, etc). ..or.. Any Windows server that has an installation of Yellow Tip Server or supports mysql and php. To order: Download and print the order form. Fill in the necessary information. Fax (or mail) the completed form and purchase order to: fax: 217.324.7743 mail:  AMBdigital 12327 Roberson Road Litchfield, IL 62056 An order acknowledgement and Invoice will be sent by e-mail within 48 hours of receipt.        (Acknowledgement and Invoice will be sent by postal mail if requested.) Upon receipt of payment a link for the application(s) will be sent to the email contact.