Open Babel 2.1.1

Open Babel is a chemical toolbox designed to speak the many languages of chemical data. Its an open, collaborative project allowing anyone to search, convert, analyze, or store data from molecular modeling, chemistry, solid-state materials, biochemistry, or other related areas.
Main features:
- Ready-to-use programs, and complete programmers toolkit
- Read, write and convert over 80 chemical file formats
- Filter and search molecular files using SMARTS and other methods
- Supports molecular modeling, cheminformatics, bioinformatics
- Organic chemistry, inorganic chemistry, solid-state materials, nuclear chemistry
- Downloaded over 66000 times and used by 31 related projects