TMSU
TMSU lets you tags your files and then access them
TMSU lets you tags your files and then access them through a nifty virtual filesystem from any other application. TMSU is a tool for tagging your files. It provides a simple command-line utility for applying tags and a virtual filesystem to give you a tag-based view of your files from any other program. TMSU does not alter your files in any way: they remain unchanged on disk, or on the network, wherever your put them. TMSU maintains its own database and you simply gain an additional view, which you can mount where you like, based upon the tags you set up. ...