Ptable - Interactive periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, and compound search. Full descriptions from write-up sources.
Gnome Chemistry Utils - The Gnome Chemistry Utils include six chemistry related programs:
Periodic-table.io - Interactive periodic table of the chemical elements in 38 languages - Includes properties, history, name origin, facts, applications, hazards, isotopes and more
Kalzium - Kalzium (German for: Calcium) is a periodic table of the elements for KDE SC 4.
Periodica - Periodic Table - Download this app from Microsoft Store for Windows 10. See screenshots, read the latest customer reviews, and compare ratings for Periodica - Periodic Table.
Avogadro - Avogadro is a free, fantastically easy to use molecule editor.