Systems, methods and computer program products for information sharing are provided. In one embodiment, the method comprises generating metadata associated with content stored in a content repository accessible to a community having a plurality of members, wherein the metadata which is stored in the community's registry, is utilized by a community member to determine attributes associated with the content and its subcontents, such that the community member is provided with access to a compilation of information in the subcontents according to a category of interest and based on information in the metadata, and preferably, the community member generates more metadata which is stored in another community's registry associated with the content such that another community member is provided with access to a second compilation of information in the subcontents.