Periodic-table.io is described as 'Interactive periodic table of the chemical elements in 38 languages - Includes properties, history, name origin, facts, applications, hazards, isotopes and more' and is an website in the education & reference category. There are more than 10 alternatives to Periodic-table.io, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and Linux apps. The best Periodic-table.io alternative is Atomic - Periodic Table, which is both free and Open Source. Other great sites and apps similar to Periodic-table.io are ChemistryLab, Periodic Table, Gnome Chemistry Utils and Periodica - Periodic Table.