AvisFV

Enjoy free FITS file viewing with AvisFV, a lightweight application built for Windows but also functional on Linux and Mac via WINE. FITS (Flexible Image Transport System) is the go-to format in astronomy for data from observatories and space missions, and it sees significant use in medical imaging and industrial applications. AvisFV, meaning Astro-vis Fits Viewer, eliminates the need for expensive specialized software. It provides essential viewing functions for scientists, engineers, educators, and hobbyists. This no-charge tool ensures you can inspect, analyze, and share FITS data across different operating systems without any licensing headaches.