Gluon Scene Builder is described as 'Scene Builder works with the JavaFX ecosystem – official controls, community projects, and Gluon offerings including Gluon Mobile, Gluon Desktop, and Gluon CloudLink' and is an app in the Development category. There are five alternatives to Gluon Scene Builder for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is Android Studio, which is both free and Open Source. Other great apps like Gluon Scene Builder are B4X (Freemium), React Studio (Freemium), Xojo (Paid) and RAD Studio (Paid).
Android Studio is the official integrated development environment (IDE) for Google's Android operating system, built on JetBrains' IntelliJ IDEA software and designed specifically for Android development.
Cross platform development tools for native iOS, Android, desktop and server applications. B4X is a Rapid Application Development (RAD) tool for real world apps. The programming language is a modern version of Visual Basic.
React Studio lets you create components either visually or in code, then use them interchangeably in your designs. Customize your components with advanced property UIs and dynamic previews in the editing canvas.