Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.