Download of iMol 0.40 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The most popular version among iMol for Mac users is 0.4. Imol_040.dmg is the frequent file name to indicate this app's installer.
The actual developer of this free Mac application is Piotr Rotkiewicz. The unique identifier for this application's bundle is com.pirx.imol. The software is included in Education Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
iMol is a free molecular visualization application for Mac OS X operating system. The program is an indispensable tool for chemists and molecular biologists. iMol allows loading molecules using several file formats: PDB, XYZ, MOL2, HIN, CAR, ALC, BIO. The molecules can be saved as PDB, XYZ or BIO files. The BIO file stores all view and rendering settings (e.g. colors, lighting, orientation of molecules).
You may want to check out more Mac applications, such as MoonMenu, clustalx or ApE Universal, which might be related to iMol.