The Octet Project Science, Chemistry, Software, Development - The Octet Project. Open-source, object oriented cheminformatics framework written in Java. https://octet.sourceforge.net/
Log In Science, Chemistry, Software, Development - Frowns. Free chemoinformatics toolkit geared toward rapid development of chemistry related algorithms. https://frowns.sourceforge.net/
PerlMol - Perl Modules for Molecular Chemistry Science, Chemistry, Software, Development - PerlMol. Free Perl modules for molecular chemistry. https://www.perlmol.org/
Main Page - Open Babel Science, Chemistry, Software, Development - Open Babel. Open-source C++ library for molecule file conversion and pattern matching. https://openbabel.sourceforge.net/
Software Development Lohninger Science, Chemistry, Software, Development - Software Development Lohninger. This site offers software and programming components for Delphi and C++Builder covering mathematics, statistics, scientific graphing, and chemistry. http://www.lohninger.com/