The application not only helps the planning process, but also provides important support from a project management perspective. Facilitates the approval by the co-authorities at the building authorities, allowing easy sorting/transmission of files and plans to the authorities. The system offers flexible management of plan packages, the possibility to mark them, mark versions and attach other documents. Privilege-based access provides ad hoc access, for example for courts, and the possibility to attach documents of permits or even drone flights. The system allows not only the management of plan sheets and plan packages, but also the upload of related documents, all controlled by access rights. The use of QR codes provides additional functionality for easy access to documents, and the printing of plan sheets also displays the QR code, which can be particularly useful in construction areas for displaying dynamic data. By combining project and document management, the Digital Plan Library becomes an application that provides a targeted solution to the problems of companies dealing with plans.