DiskCatalogMaker - Simple, smart and fast disc management tool.
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.
Virtual Volumes View - VVV uses a relational database to store its data.
allTags - allTags is a free, tag based file management application.
NeoFinder - NeoFinder is a powerful and very fast disk cataloging tool, reading metadata like EXIF, IPTC, JPG, RAW, TIFF, MOV, MP3, AAC
Tabbles - Tabbles use tags to organize and find files along with your colleagues.