MicMac is an open-source photogrammetry software suite developed by the National Institute of Geographic and Forest Information (IGN) in France. It is designed for processing and analyzing imagery data to generate 3D models, orthophotos, and point clouds. MicMac is widely used in the fields of cartography, geosciences, and cultural heritage documentation. The software supports a variety of image formats and offers tools for automated image orientation, dense matching, and 3D reconstruction. Users benefit from its flexibility, advanced features, and ability to handle large datasets.