— Software measures are important to evaluate software properties like complexity, reusability, maintainability, effort required, etc. Collecting such data is difficult because of the lack of tools that perform acquisition automatically. It is not possible to implement a manual data collection because it is error prone and very time expensive. Moreover, developers often work in teams and sometimes in different places using laptops. These conditions require tools that collect data automatically, can work offline and merge data from different developers working in the same project. This paper presents PROM (PRO Metrics), a distributed Java based tool designed to collect automatically software measures. This tool uses a distributed architecture based on plug-ins, integrated in most popular development tools, and the SOAP communication protocol.