This page collects together resources that almost always cost money. Please also see Category:Free for resources that are almost always free and Category:Freecom for resources that are often free to academics and cost money for for-profits. 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

Database Vendors

• MDL
• Beilstein
• Chapman and Hall Natural Products database