It is best to experience this cool application yourself, so, I will just extract some excerpts from their own words below.

" direc.tor ( direc.tor)": is a web-based rich UI for " (": It leverages the XML and XSL services of modern browsers to deliver a responsive interface for managing user accounts with a large number of records.

*The main features are*

* In-browser handling of bookmarks (tested up to 12,000 records)
* Find-as-you-type searching of all your bookmarks, with basic search operators
* Sort by description, tags, or timestamp
* Ad-hoc tag browser