The answer to that question is complicated, but it all depends on what you mean when you ask the question. HTML5 is a markup language, which is not the same as software. It is used to create webpages and applications, but it isn’t actually software itself.
HTML5 is the fifth version of Hyper Text Markup Language, or HTML, which was created in 1990 by Tim Berners-Lee. It is a markup language used to create documents that can be viewed in browsers and other applications. HTML is not a programming language; instead, it uses tags and attributes to define elements within a page or application. This makes it possible for developers to create websites and applications with minimal code.
HTML5 was released in 2014, and it introduced several new features that allowed developers to create more dynamic websites and applications. These features include support for audio and video elements, as well as improved support for graphics and animation. Additionally, HTML5 also introduced new APIs (Application Programming Interfaces) that allow developers to access device hardware such as GPS location data, accelerometers, and gyroscopes. This makes it possible for