FreeDiams prescriber is the result of FreeMedForms prescriber plugins built into a standalone application. FreeDiams is a multi-platform (MacOS, Linux, FreeBSD, Windows), free and open source released under the new BSD license application. It is developed by medical doctors and is intended for use by these same professionals. It can be used alone to prescribe and / or test drug interactions within a prescription. It can be linked to any application thanks to its command line parameters. The therapeutic and interactions database are synchronized with data from the french AFSSAPS.