Blogmarks: found this site while looking at my referrers. Another del.icio.us, but prettier and more graphical (it even takes a small screenshot of the site you're tagging)
del.icio.us (16 posts)
gre.gario.us: yet another interesting *io.us social experiment. This one lets you find users with links similar to yours in del.icio.us (see with me as an example) Probably useless, but interesting :)
w00t ! I'm listed in top 25 del.icio.us popular links \o/
Tagalicious update
Small update for tagalicious (delicious hack)
taga.licio.us : a way to integrate del.icio.us
Print del.icio.us links (not only yours, all) into your page
WordPress Category Map
A script to draw a "map" of your categories