IDG. Figure 1. An application component with its API. When one program is used by another program, we call the first program the provider and the second one the client.

When a business has specific software needs that off-the-shelf software can't address, it commissions developers to create custom applications. Written by: Jennifer Dublino, Senior Writer Updated ...

Software engineering is the branch of computer science that deals with the design, development, testing, and maintenance of software applications. Software engineers apply engineering principles and ...

Software as a service has many business applications including file sharing, email, calendars, customer retention management, and human resources. SaaS is easy to implement and easy to update and ...