Power Twitter adds features to the Twitter Web interface including displaying Flickr photo and YouTube videos. TinyURL links are also unwound to show the destination page title. Finally, any additional social information (blogs, photos, etc.) that match for the Twitter user are displayed in a news feed in the side bar of the Twitter page.

A set of greasemonkey scripts that take Google Calendar and/or Google Reader and places them below GMail's inbox. It uses GMails native navbox allowing the calendar and reader to be unobtrusive and collapsible. There is third script that removes the calender and reader headers thus cleaning up the interface.

This tool is great for sites that use lots of checkboxes like a registration form or your Hotmail or Yahoo! inbox. Imagine this: Your Hotmail inbox has 10 spam messages and you don't want to click on 10 separate checkboxes just to select them all. Now you can select them all just by drawing a box around them! To begin drawing a box, your mouse MUST first be positioned over one checkbox. Then drag to activate this tool.

Paste and Go 3 lets you Paste URL/Text and Load/Search It Immediately.

You can Paste and Go by:
- Select "Paste and Go" on context menu of URL bar
- Press the "Paste and Go" button on the tool-bar
- Keyboard Shortcuts: Accel + Shift + V (default)

You can Paste and Search by:
- Select "Paste and Search" on context menu of Search bar
- Press the "Paste and Search" button on the tool-bar
- Keyboard Shortcuts: Accel + Shift + S (default)
- Middle click on engine button
- Middle click in the drop down menu of the search engines

Building on URL Suffix by Gomyoung Kim which no longer appears to be being maintained, this extension allows you to modify the suffixes which are appended to a URL when the user presses ctrl or shift + enter. It is based on a simple modification of browser.js.