ExtenXLS created by Extentech Inc, is an all-Java Spreadsheet SDK that adds advanced spreadsheet capabilities to Java applications. ExtenXLS features automated handling of data mapped spreadsheets, and allows for the mapping of data from any source into spreadsheet templates. As data rows are inserted, formula references, chart series, named ranges, and formatting are all copied and updated so output contains live data, and template functionality is kept intact. ExtenXLS is written entirely in Java, and is compatible with any operating system running Java 1.4 or later. Other features include: