FLTK is a cross-platform user interface toolkit for X11, Win32, and MacOS X, developed using C++. It is designed to be fast, lightweight, and easy to use, and provides a wide range of built-in widgets and graphics primitives for creating GUI applications.
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Our system has scanned the download for viruses, and we suggest that you also check the files before installation. The version of FLTK you are about to download is 1.1.9, and the download will be provided as is, with no modifications or changes made on our end.