KDelicious adds several options to the Konqueror (right-click) Action menu, allowing to
- bookmark the current page on del.icio.us
- add your del.icio.us posts to Konqueror's bookmarks
- access other del.icio.us features (your posts, subscriptions, inbox, popular, network)
- manage preferences
It integrates seamlessly with KDE and KWallet, which means support for proxy connections and secure password storage.