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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, MOL2, HIN, CAR, ALC, BIO. The molecules can be saved as PDB or BIO files. The BIO file stores all view and rendering settings (e.g. colors, lighting, orientation of molecules). iMol can easily handle both small and large molecules, it can load multiple molecules, move and rotate them independently.

The program can meaure distances, angles, and torsional angles between atoms. Molecules can be superimposed more...

What's New

Version 0.40:
  • Several Intel-transition-related bugs fixed.
  • Anti-aliased bitmaps of arbitrary resolution can be saved.
  • Fixed cartoon and solid ribbon rendering mode.


Mac OS X 10.2 or later

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4 3


Current Version (0.x)


Downloads 9,235
Version Downloads 4,345
License Free
Date 25 May 2007
Platform OS X / PPC 32 / Intel 32
Price Free
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