Flutter is an open-source UI software development toolkit created by Google. It is used to build natively compiled mobile, web, and desktop applications from a single codebase. Known for its fast development cycle, expressive and flexible UI, and native performance, Flutter is popular among developers for creating high-quality, visually appealing applications across various platforms. Enrolling in a reputable Flutter Training in Chennai at FITA Academy offers valuable opportunities to gain the skills and expertise needed to master Flutter development.