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

This documentation site is for Avogadro 2, currently in development.

  • Free, Open Source: Easy to install and all source code and documentation is available to modify or extend.

  • International: Translations into Chinese, French, German, Hungarian, Italian, Russian, Spanish, and many others, with more languages to come.

  • 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.


Latest release: 1.96.0


Thumbnail for benzene molecular orbital
Thumbnail for zeolite rendering
Thumbnail for QTAim analysis
Thumbnail for bond-centric editing
Thumbnail for symmetry analysis of C180
Thumbnail for COVID spike protein


User Guide

Coming Soon for Avogadro2:

  • Getting Started

  • Tutorials

  • Manual

API Documentation

Develop scripts and C++ code with Avogadro:


We want your help to make Avogadro better for everyone:

Connecting with the Avogadro community#

There are various ways to get in touch with the Avogadro community:

  • Avogadro Discussion is the best place to ask usage questions and is a great way to get feedback from other users on how to approach a problem.

  • If you think you’ve found a bug, or would like to request a feature, please report an issue at the AvogadroLibs GitHub repository.

You can also find more information about Avogadro on Twitter.