Company Roman Volinsky created these great apps:
Acid Base pH, Chemical Equilibrium, Solubility Products, Chemical Kinetics, Chemical Solution Wizard, Liposome Calculator, Electrochemistry, Isoelectric Point, Chemical Solution Simple, Reaction Thermodynamics, Thermochemistry, Chemical Reactions, Uncertainty Calculator, Formula & Units, Chemistry Utilities, Stoichiometry, Chemistry Utilities 2, Liposome Suite, Stoichiometry, Stoichiometry Gas Phase, General Chemistry, Stoichiometry Pro, Binary Float Converter, and others..