Desktop based program for managing machine rental store .Using XAML for UI with windows for standart action-add,delete, update. Project has Unit of Work + Repository oop patern implemented for dividing back-end and front-end part.Repository has generic methods for CRUDoperations with DB.Entity Framework 6.0 with Microsoft SQL Server 2012(in order to use other server must be changed connection strin in every App.config. Developed for teamwork project in Telerik Academy. Ulian Genchev-GUI Rumen Tonev-Unit of Work,Repository and Entity Framework type classes for database tables.