Taggit!

TagSpaces is an open source personal data manager.It helps you organize and browse your files on every platform.

DocFetcher is a portable German/English open source desktop search application. It allows you search the contents of documents on your computer. - You can think of it as Google for your local document repository.

Tabbles - advanced tagging system

Based on the convenient drag ’n’ drop technique, TaggedFrog allows you to organize your files, documents and Web links. Just add objects to the library and tag them with any keywords. That’s it. You can forget the file name or where the file is located, but dont worry - the tags will find the file for you. You can tag Web links, Microsoft Office documents, PDF documents and images. In fact, you can tag any kind of file. And if you wish, you can tag each and every file on your hard drive!

Tag everything on your desktop like files, images, movies or music by simply using tags. 3 languages: english, german, espanol.tag2find can be integrated everywhere where you need it - in the taskbar, in Explorer, in Internet Explorer or even in a floating position, but it does not run in 64bit-systems. Tag wherever you are. Tag files using the files context menu, drag&drop it to the next tag2find toolbar, the Floating TagBox, the TagBrowser.

Because files can fit in many different categories and contexts, a tagging approach to managing them, like the kind we have for photos, bookmarks, and blog posts, makes sense. Elyse provides tag management for your files, with up to 30 tags in the free version.

The Personal File Tagging Utility. Tagg is a utility which locates your files based on simple labels you attach or tag on to your files.