Tonkatsu Box – Open-source collection manager for games, movies & anime

Summary: Tonkatsu Box is a free open-source app for managing collections of retro games, movies, TV shows, manga, anime, and visual novels. It connects to major databases, allowing users to track progress, rate items, create visual boards, and share collections across Windows, Linux, and Android.

What it does

The app consolidates media tracking by syncing with multiple databases and supports organizing mixed collections. It features a canvas mode for arranging posters, adding notes, and drawing connections, with all data stored locally in SQLite and exportable as .xcollx files.

Who it's for

Users who want to manage diverse media collections in one place without relying on separate apps or accounts.

Why it matters

It solves fragmentation by unifying tracking across different media types and platforms, preserving user data locally and enabling flexible collection management.