Smart Extranet is an essential tool for caring out a project in a secured web whose access is limited. Each time a new document is published, e-mail containing a link to the added file is sent to all the users. Thanks to its features, Smart Extranet solves the problem of sending heavy attachments. With this program, the sending of comments is possible, which makes idea exchange easier and more coherent. Smart Extranet offers a pleasant and easy interface and does not require any special knowledge. No hardware or software is needed, you just need a web browser. To protect private spaces, it is possible to manage the users’ access.