Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science and related areas. It offers a flexible rendering framework and a powerful plugin architecture.


  • Cross-Platform: Molecular builder for Windows, Linux, and Mac
  • Free, Open Source: Easy to install and all source code is available (GNU GPL)
  • International: Translations into Chinese, French, German, Italian, Russian, Spanish and more
  • Intuitive: Built to work easily for students and advanced researchers both.
  • Fast: Supports multi-threaded rendering and computation.
  • Extensible: Plugin architecture for developers, including rendering, interactive tools, commands, and Python scripts
  • Flexible: Features include Open Babel import of chemical files, multiple computational packages, crystals, biomolecules, etc.

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User Reviews

  • Avogadro is good but it does certainly have its limitations. As pointed out there are no Python bindings available for Windows, except when using the very out of date version 1.0.1, which can prevent one from using some of the more advanced features. As far as support well the mailing list (avogadro-discuss@lists.sourceforge.net) I found quite helpful. Something worthwhile noting for all those intending to use this software to create molecular images -- the element colouring palette is etched in stone.

  • Hello, somebody known how to calculate Avogadro software the cross section, maxime diameter, and Surface total area of the molecule? Please I need this information. manuelmorrone@gmail.com

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Additional Project Details


French, Italian, Catalan, English, Chinese (Traditional), Brazilian Portuguese, Chinese (Simplified), German, Spanish, Russian

Intended Audience

Science/Research, Education, Advanced End Users, End Users/Desktop

User Interface

OpenGL, Qt

Programming Language

Python, C++