SAP Developer Network (SDN) is an online community for SAP developers. It is a resource and collaboration channel for SAP developers, architects, consultants and integrators. SDN Hosts forums, expert blogs, a technical library, downloads, a code gallery, Elearning catalog , a Wiki and more. All these support open communication between active members of the community, which includes more than 1,820,000 members. SDN is the place to find information not only about SAP AG products and technologies, but also about IT Practices and IT Scenarios referring to daily operations.
SDN is closely related to SAP TechEd, an annual technical conference hosted by SAP.