Software for easy master data management. Besides common basic data, the software stores any number of addresses and other contact data of people or companies. HissenIT Masterdata is a free Windows software for easy master data management. Besides common basic data, the software stores any number of addresses and other contact data of people or companies. An arbitrary number of custom data fields can be defined. Moreover, existing files, documents, and folders can be referenced from a data record. These can be opened and edited directly from within HissenIT Masterdata using the associated default program. These can be but are not limited to, e.g., Word documents, Excel sheets, photos and other file types (pdf, doc, xls, txt, exe). HissenIT Masterdata is right for self-employed people, little and medium-sized companies, clubs, schools, or private individuals with the need for an easy master data management.