With the current growth of data in digital investigations, one solution for forensic investigators is to visualise the data for the detection of suspicious activity. However, this process can be complex and difficult to achieve, as there few tools available that are simple and can handle a wide variety of data types. This paper describes the development of a flexible platform, capable of visualising many different types of related data. The platform's back and front end can efficiently deal with large datasets, and supporta wide range of MIME types that can be easily extended. The paper also describes the development of the visualisation front end, which offers flexible, easily understandable visualisations of many different kinds of data and data relationships.