MyURLmark.com is a free social bookmarking service. Any user can access the public section of the service without sign-up, and enjoys contents in her/his favorite categories . A sign-in user can mark and manage URLs is her/his own private section, and shares her/his URLs with others.
Mark whatever URL page you are currently viewing by one click. Share your marked URLs with the whole community.
Follow How to Mark URLs to set up your account and bookmarklet.