This invention disclosed a system and method for resource based virtual communities. Any resources that can be shared or used by multiple people, including Internet resources, software or other resources can be the basis for the community, whose members are users of the resource. Web resources include web sites, web pages, news groups or discussion forums. Other types of resources include software products, bulletin boards, games or other products. The community composes of the current resource users such as web page readers, bulletin board posters, game players, software users. Whenever a person accesses or uses the resource, the user is automatically joined as part of the community. At the same time they are using the resource, they can access all services provide by the community, such as talking with other members, collaborating with others, publishing comments, or even adding new community services.