FAST offered an enterprise search product, FAST ESP. ESP is a service-oriented architecture development platform which is geared towards production searchable indexes. It provided a flexible framework for creating ETL applications for efficient indexing of searchable content. Fast also offered a number of search-derivative applications, focused on specific search use cases, including publishing, market intelligence and mobile search. The Search Derivative Applications (SDA) are built upon the Enterprise Search Platform (ESP). The company was developing PHAROS, a new European multimedia search engine.