ePeriodique is a graphical application that display the periodic table of the elements. It shows basic data for each element, pictures, Bohr models and lattice structures.
gElemental is a periodic table viewer that provides detailed information on the chemical elements. It uses the GTK+ toolkit and is available for Linux and other GTK+ platforms.
GPeriodic is a periodic table application for Linux. It allows you to browse through a periodic table of the elements, and view detailed information on each of the elements. 118 elements are currently listed.
Kalzium is an application which will show you some information about the periodic system of the elements. Therefore you could use it as an information databank. Read more
KMol calculates elemental compositon and molecular weight of compounds from their chemical formula.