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

Core features and goals of the Avogadro project include:

• Open-source, distributed under the liberal 3-clause BSD license
• Cross-platform, with nightly builds on Linux, Mac OS X and Windows
• An intuitive interface designed to be useful to whole community
• Fast and efficient, embracing the latest technologies
• Extensible, making extensive use of a plugin architecture
• Flexible, supporting a range of chemical data formats and packages