Digital ecosystem for reuse of existing products off2off implements, operates and develops digital ecosystems for reuse of functional surpluses* based on organizations’ own operations. The platform is developed and provides a cloud-based communications service specifically designed for structured reuse*, which visualizes and matches user needs and functional surplus* with each other and peripheral services. The platform is available to all types of organizations. * Functional surplus is a term used to describe leftover products that can be classified as too good to be thrown away.