Open Source Dart Collection Management Software

Tonkatsu Box is a free, open-source collection manager designed for organizing games, movies, television shows, anime, books, manga, music, and podcasts. It connects to multiple metadata catalogs to help users discover titles and build personalized libraries. The application tracks progress, ratings, completion dates, and detailed episode or chapter information. Users can organize collections through customizable views, tags, and filters. It also provides statistics, recommendations, release calendars, and visual collection boards. Import tools support services such as Steam, Trakt, MyAnimeList, and AniList. Additional features include tier lists, local backups, and collection sharing. Built with Flutter for Windows, macOS, Linux, and Android, Tonkatsu Box offers a centralized environment for managing entertainment collections.