Site Settings Sidebar
Site specific settings on your sidebar.
Limit - Set Limits for Distracting Sites
Limit your time spent on distracting sites. Limit is an extension that allows you to set time limits for distracting websites.
Additional settings VK.com
Configuring interface, and much more in the social network VKontakte.
A customizable password protected website blocker and redirector
Edit preferences on a per-site basis
Alter the browser's built-in privacy settings in a toolbar popup
SiteNotes: Used to create notes on the current URL open.
Keeps your favourite sites easily accessible and your Speed Dial free for extensions and bookmarks.