In the age of communication, new technological advances are made everyday in the field of information and linguistics. Deriv@ is a system that makes the most of linguistic data. All data managed by this application are connected with derivational morphology, since derived words constitute the starting point from which relationships with other linguistic elements are established. Deriv@ is a linguistic database with two models of representation: one for all Spanish words created by means of derivation; the other for the corresponding Latin words. We offer a grammatically-analysed corpus, both synchronically and diachronically, to make customised queries according to the user.s interests, and also to create a dictionary of derived words. Deriv@ allows and facilitates non-restricted access to all the information available in the two databases. This model is valid for any form derived from Spanish or from other Romance languages. It offers users the possibility of using it real time, thus letting them interact with the system and contribute to its improvement.