LibXISF is C++ library to load and save images in XISF format that is native format PixInsight astronomical image processing program. It implements XISF 1.0 specifications.

It is released under GPL3+ license. To download source code visit

To compile you will need C++17 compiler and cmake. After cloning git repository run cmake commands to compile library.
cmake -B build -S . -DCMAKE_BUILD_TYPE=Release
cmake --build build --parallel