Freeware Descriptions:

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.

Here is complete features (taken from authors site):

Avogadro 0.9.1 Screenshot

File Size / OS:

  • 7.88 MB / Windows 9x - ME - 2000 - NT - XP - 2003 - Vista

Download Avogadro 0.9.1: