Chemcrow
An interactive viewer for three-dimensional chemical structures.
Chemical structures database & machine learning with web services API
JavaScript-Based Molecular Viewer From Jmol
GUI for MOPAC, DFTB+, GAMESS, Firefly, NWChem, ORCA and PSI4
A tool for Navigating in Chemical Space
RMol: Transforming SD/Molfile structure information into R Objects