TagFlow - TagFlow is an intelligent files manager that use tags for organize your documents.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Taglists - TagLists is a small application for OS X that allows you to quickly see which files you've...
Tabbles - Tabbles use tags to organize and find files along with your colleagues.
TagTower - TagTower - A personal file tagging and document tagging utility.
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.