Panini is a visual tool for creating perspective views from panoramic and wide angle photographs. More than a pano viewer, more than a view camera, with features of both. For Linux/Unix, Win32, and Mac systems with OpenGL 2.0+.
Get source code
git clone https://github.com/lazarus-pkgs/panini cd panini
qmake #qmake-qt5 on some systems make ./Panini
Also see: BUILD.