HDFView
Developer, maintainer, and steward of HDFView
...It supports HDF4 and HDF5 datasets commonly used in scientific research, engineering, and data analysis. Users can browse files through a hierarchical tree displaying groups, datasets, and related objects. The software provides spreadsheet-style views for examining multidimensional numerical data. It also allows users to inspect metadata, attributes, and data types associated with stored information. Selected datasets can be displayed through image and graphical visualization tools. HDFView supports modifying supported data objects and managing file structures. ...