Laravel is a framework for web applications, like many other web frameworks it is open source. Laravel's framework is based on the PHP programming language, which makes the framework popular when one is building applications for desktop, mobile, and other devices.

Laravel's responsive framework is built in PHP, the most widely used programming language for web and applications. PHP is a simple language in design and syntax, meaning programming in this language is more simple than in many other languages. The PHP is written in server-side scripts, which is called Object-Oriented Programming. This has the advantage that elements within the Laravel framework can be controlled independently of each other. This makes the framework suitable for responsive use, meaning it can be utilized on all screen sizes.

The Laravel web app framework is an Open Software download, meaning that the framework is free to use for everyone. In addition, the framework has a refined and user-friendly development tool. The fact that it is free to use and the refined development tool makes Laravel highly popular among developers. Utilizing PHP is also one of the main contributing factors. The large user base contributes to the development and growth of the framework, providing updates and constantly developing new templates.