The document describes D-Congress, an event management system developed by D Dizayn Bilişim Teknolojileri Ltd. Şti. D-Congress allows organizations to manage various types of events through a centralized, web-based platform. It provides features like online registration, partner management, hotel booking, email communication, and on-site check-in. D-Congress offers a consolidated solution for organizations to better manage their smaller events on an ongoing basis.