Download Cfitsio ((free)) ✦ Latest

You can always find the most recent version via the cfitsio_latest.tar.gz link.

Note: Use --enable-reentrant during configuration if you need multi-threaded support. Alternatively, use your package manager: sudo apt install libcfitsio-dev Arch Linux: sudo pacman -S cfitsio Fedora/CentOS: sudo dnf install cfitsio-devel For Mac users, package managers are the easiest route: Homebrew: brew install cfitsio MacPorts: sudo port install cfitsio download cfitsio

As of early 2026, the current release is v4.6.4 . You can always find the most recent version

How to Download CFITSIO: The Essential Library for FITS File Handling download cfitsio