Methods, systems, and apparatus, including computer program products, for a rental service through a computer network. A collection of virtual containers is assigned to a set of users including one or more users. Each virtual container in the collection is configured to identify one or more software products that are rented by users in the set. A user in the set is authorized to access a software product through the computer network based on whether the software product is identified as a rented software product in one or more virtual containers of the collection assigned to the set of users.