The distinct conceptual difference between the two is the granting of rights. Software as a service ( SaaS / s æ s / ) is a software licensing delivery model in which software is licensed on a subscription basis , is centrally is sometimes referred to as " on- demand software" was formerly referred to as " software plus services" by Microsoft. Two common categories for software under copyright law free , therefore with licenses which grant the licensee specific rights, are proprietary software open- source software ( FOSS).
Download free abandonware relational database. SaaS is typically accessed by users using a thin client via a web aS has become a common delivery. Software licenses and copyright law. Most distributed software can be categorized according to its license type ( see table).