This page collects together resources that almost always cost money. Please also see Category:Free for resources that are often free and Category:Freecom for resources that are often free to academics and cost money for companies. In practice, the distinction between Free and Commercial is often more nuanced. Read the fine print.

Cheminformatics Software

• Molecular Networks
• Molinspiration
• Schrodinger
• Pipeline Pilot
• BioSolveIT
• Daylight
• CCG/MOE

Database Vendors

• MDL
• Beilstein
• Chapman and Hall Natural Products database
• CCDC's CSD