Microsoft Dynamics GP is a mid-market business accounting software or ERP software. It uses either Microsoft SQL Server 2005, 2008, 2012, 2014 or 2016 to store data. Dynamics GP is written in a language called Dexterity.

https://mbs.microsoft.com/customersource/northamerica/GP/learning/documentation/system-requirements/MDGP2015_System_Requirements#Overview