JitBlox is an innovative web application builder that operates directly in the browser, allowing both developers and designers to effortlessly create fully functional, component-driven web applications without needing to write any code. By leveraging popular UI frameworks like Bootstrap, Tailwind CSS, Shoelace, and Material Design, it features a user-friendly drag-and-drop visual designer that enables users to assemble app layouts with ease, utilizing intuitive tree views, live previews, and robust template editors that surpass conventional HTML editing tools. Users can quickly add UI blocks, layouts, controls, and data-bound components with minimal effort, streamlining the design process. Designers have the ability to link either mock or actual data to their interfaces, define app logic through loops and conditional statements, and conduct instant testing of their applications, even prior to the backend being developed. JitBlox produces clean, production-ready source code, such as complete Angular applications, that can be easily downloaded or directly integrated with GitHub, promoting adherence to best practices and facilitating seamless collaboration among developers. Ultimately, JitBlox empowers users to focus on creativity and functionality, transforming the way web applications are built.