Ant Movie Catalog software is a free, open-source program that allows users to create a database of their movie collections. The software can import information from various sources, including IMDb and DVD Profiler, and supports various formats, such as AVI, MP4, and MKV. Users can also add personal ratings, reviews, and notes to each movie entry and generate reports based on different criteria. Additionally, the software supports multiple languages and allows for customization of the interface.