TagSpaces is a cross-platform and open source application for organizing and managing your local data, files, and documents. It provides an easy-to-use interface that allows you to quickly and efficiently manage your files, tag them, and find them quickly. TagSpaces offers a wide range of features, including tagging, full text search, file preview, file sharing, and more. It also allows you to access and edit your files from any device, including mobile devices. TagSpaces supports a range of file formats, including images, video, audio, text files, and many more. It is a great way to keep your files organized, secure, and accessible from anywhere.
Onenote is just for notes. Tagspaces is about tagging files.