AvisFV

AvisFV is a 100% free software application that opens and displays FITS images. These files are fundamental in astronomy and are also employed in medical science, industrial inspection, and other technical disciplines. The viewer supports Windows systems from Windows 7 to 11 and extends its reach to Linux and macOS through the WINE compatibility layer. Its name, Astro-vis Fits Viewer, highlights its astronomical roots while serving broader scientific communities. With AvisFV, users can access specialized image data without financial barriers, making it a valuable resource for education, research, and professional analysis where FITS is the standard.