A repository |rɪˈpɒzɪt(ə)ri| is

• a receptacle in which things are or may be stored;
• a place where something, especially a natural resource, is found in significant quantities;
• [in computing:] a central location in which data is stored and managed.

Rpository.com is a place where various resources on R — an environment for statistical computing and graphics — are stored and shared.