I have a bunch of files sorted into folders on a Windows share, and I would like to attach some metadata to them. The files are mostly datasheets (.PDF) and tools (.ZIP, .EXE). I would like to be able to say a file belongs to a certain project, or a certain device, by using tags or maybe custom taxonomies.
I imagine you would have a window which would show you the file system, and you can add tags there, and search for files according to certain criteria. Optionally, it could integrate into Windows Explorer, although I found the existing metadata tools in Explorer insufficient.
I know something similar exists for managing PDFs, like Zotero or Papers. However I could not find a solution for general files. Can you recommend any solution?