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Avogadro2 is a user-friendly molecule builder and editor. It offers flexible rendering and a powerful plugin architecture for developers. The program supports interactive building of molecules with integrated molecular mechanics and a fragment database. Input generation for GAMESS, MOPAC, or Gaussian calculations is provided. For visualization, the program supports crystallographic unit cells, isosurfaces and orbitals from Gaussian cubes and OpenDX.

What's New

Version 0.8.0:

Note: Now requires OS X 10.8 or later

  • Port from Qt 4 to Qt 5
  • Overhaul of some developer APIs
  • A shift to exposing multiple molecules and multiple view widgets
  • Added support for undo/redo operations when editing molecules
  • Added a trajectory-player tool to replay molecular dynamics simulations
  • Improved support for


  • OS X 10.8 or later

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4.5 2


Current Version (0.x)


Downloads 10,741
Version Downloads 138
License Free
Date 17 Aug 2015
Platform Intel 64 / OS X
Price Free