Chemical software suppliers create, sell and distribute programs useful to chemists for property prediction, storage and management of chemical data, computational chemistry and more. Some provide free software of various kinds; many have useful free tutorials and help information their products. This list is not comprehensive and does not constitute an endorsement of the manufacturers. Be aware that many chemistry software programs, especially in computational chemistry and chemistry teaching, are created and distributed by universities and government laboratoires as well. Feel free to recommend additional listings to the author of this page.