FormDev - JFormDesigner - Java/Swing GUI Designer
Flutter Drag and Drop UI Builder for free to Design beautiful Flutter Apps in Real-time, Export code, and Use it in your project. Visually customize the app's style, colors, spacing, text and more using Flutter UI Design Tool.
UIkindle provides select and drag UI buiding tool. It is also a good platform to learn web developemt with lots of examples. Semantic UI, Bootstrap, Material UI and HTML UI builder tool
Build amazing web components with the most used open source frameworks, like Bootstrap, using our free builder.
Free & Effortless Tailwind CSS drag & drop UI components and templates builder
reformed is a free online form builder, powered by HTML5, that lets you quickly and easily generate robust, great-looking forms, with validation, that are themeable using jQuery UI's Themeroller tool.