The PHP iManager is a PHP/MySQL-based invoice management program. It includes a user-friendly backend to keep track of one-time and repeated charges. Originally created for a web hosting company, it has been made for general invoicing and customer management. Also included in this package, is a mail program to send out newsletter to your clients, backup, prev/next links, client-login, PDF invoices, email invoices, CPanel integration, more webhoting features, online payment (2checkout, paypal, moneybookers,), Smarty template system, language-editor, easy upgrade-and-keep-existing templates. Easy and nice interface.
