祖源树TheYtree, also known as Zuyuan Tree, is the world's first nonprofit website dedicated to genealogical research through paternal DNA tracing. The platform welcomes individuals from all backgrounds—regardless of race, nationality, or surname—who have undergone paternal genetic testing, allowing them to contribute to an everlasting digital family tree for free. With a focus on Y-DNA ancestry research, Zuyuan Tree provides a range of services including tree creation, sample management, and integration of micro-genetics for personal and academic purposes.

The website features an expansive collection of surname trees and the latest haplogroup data, offering users insights into their lineage and genetic roots. Engaging with a community of over 5,400 registered members, users can access recent research papers, share findings, and connect via user groups tailored for common interests. Zuyuan Tree not only promotes individual genealogy but also supports broader scientific studies in human paternal lineage, making it an invaluable resource for those seeking to uncover their ancestral heritage