MARCSifter is a lightweight app that lets you see the contents of a MARC records file and display record within it. Because MARCSifter has no editing capabilities, you can safely use it without fear of inadvertently making changes to the files you’re looking at. MARCSifter also includes a number of ways to find specific records within MARC record files.
PTable is a lightweight and easy to use application hat aims to bring you more information about the chemical elements which are represented in the periodic table.
Besides the colored grouping, PTable is able to display details about any element you click onto. Thus, you can view the atomic number, symbol, common name, atomic weight, density, state and much more.