IntelliJ IDEA Ultimate

IntelliJ IDEA Ultimate is an integrated development environment (IDE) designed to help developers build and debug applications for the web, desktop, or mobile devices. It features powerful tools such as refactoring, debugging, code analysis, unit testing, version control integration, and more. IntelliJ IDEA Ultimate also has a built-in graphical user interface designer and supports popular programming languages such as Java, JavaScript, and HTML/CSS.