If you're looking for a tool to find duplicate files on your computer, AI Finder could be just the ticket. This information retrieval system lets you search for files or folders in your file system by asking natural language questions. It can search for duplicate files, so it's a good way to get a handle on your data.
Another option is Similarix, a digital asset management tool that can deduplicate files to eliminate duplicates. It's designed with data security in mind, with features like semantic search, image-based search and support for multiple languages. It's designed to be integrated with existing systems, so it's a good option for large-scale operations.