If you’re a new or recent user of Mac. These softwares will help you in professional work or day to day usage.
Personal assistant of Mac users. Siri is a computer program that works as an intelligent personal assistant and knowledge navigator, part of Apple Inc.’s iOS, watch OS, macOS, and tvOS operating systems. The feature uses a natural language user interface to answer questions, make recommendations, and perform actions by delegating requests to a set of Web services.
Source : igeeksblog