The universal method of agreement authentication backed by centuries of tradition and jurisprudence, the handwritten signature, is now available online thanks to WebPen. Now legal documents and agreements can be displayed online and signed instantly right on your website using the mouse as a pen. WebPen eliminates the traditional hassle of downloading, printing, signing, and faxing. Making the signup process quick and easy avoids lost sales! The signed document is instantly redisplayed to the signer with the signature in place and a copy of the signed document is stored on your server. WebPen is simple to install, requiring only PHP with GD library on the server. It can be used with your existing online documents. The signature box can be placed on any page capable of displaying HTML code. WebPen can handle high volume, and is suitable for enterprise applications.