kfile_chemical is a set of kfile plugins for the
KDE desktop that extract metadata from chemistry
documents. This metadata can be used by desktop
search engines like Kat. It supports PDB, MDL
mol/sd, CML, ShelX, and CIF files.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.