NCSA HDFView(HDF)   Description:

HDFView is a visual tool for browsing and editing HDF4 and HDF5 files.
Using HDFView, you can:
1. view a file hierarchy in a tree structure;
2. create new file, add or delete groups and datasets;
3. view and modify the content of a dataset;
4. add, delete and modify attributes.

  Download:
Click http://www.hdfgroup.org/hdf-java-html/hdfview/ to download