Oracle User Productivity Kit, UPK provides a simple and comprehensive content development, deployment, and maintenance platform specifically designed for project team members and line of business owners. UPK (User Productivity Kit) is a software application that can be used to create simulations of tasks performed in a software application for, use during. Oracle's User productivity kit, better known as UPK is a Single-source content development. What is UPK? UPK stands for Universal Pre-Kindergarten. UPK may refer to: University Press of Kansas, an academic publisher; University Press of Kentucky, an academic publisher; UPK, LID code for Upernavik. What is Universal Pre-Kindergarten (UPK)?.