webchemWeb APIsChemical Information from the Web.Repositorygithub.com/ropensci/webchemSource attributionAwesome Cheminformatics — github.com/ropensci/webchemRelated resourcesBeakerToolWeb APIs[RDKit](http://www.rdkit.org/) and [OSRA](https://cactus.nci.nih.gov/osra/) in the [Bottle](http://bottlepy.org/docs/dev/) on [Tornado](http://www.tornadoweb.org/en/stable/).chemminetoolsToolWeb APIsOpen source web framework for small molecule analysis based on Django.