1. Software that is notionally free, but which contains paid advertising

Encyclopedia: Adware

• adhesion contract
• adhesive
• adhesive agent
• adhesive bandage
• adhesive friction
• adhesive material
• adhesive plaster
• adhesive tape
• adhesiveness
• adhocracy
• Adi Granth
• adiabatic
• adiabatic process
• Adiantaceae
• Adiantum
• Adiantum bellum
• Adiantum capillus-veneris
• Adiantum pedatum
• Adiantum tenerum
• Adiantum tenerum farleyense
• adiaphorous
• adience
• adient
• adieu
• Adige