FTP Synchronizer - Secure and high performance FTP File Sync product
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.
Polo File Manager - Software for Linux
allTags - allTags is a free, tag based file management application.
GNOME Commander - GNOME Commander is a "two-pane" graphical file manager for the GNOME desktop environment.
Tabbles - Tabbles use tags to organize and find files along with your colleagues.