Adds a menu to the menubar and the panorama button showing all tabs grouped by tabgroups (panorama/tabcandy groups).

MeWiG is a Windows Frontend to the MEncoder (part of MPlayer) using the .NET Framework.
You should be able to crop, scale, deinterlace, etc and finally convert almost any digital video-source, without the need for commandline-options.

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart FIrefox or Seamonkey.

Dig through URLs with mouse right button click (context-menu).

Changes the selected search engine in the search bar by scrolling the mouse over the searchbar or search context menu. Also supports keyboard shortcuts ctrl+k and ctrl+shift+k to change the search engine with the keyboard.

Adds a "File" menu option to open multiple locations at a time.

Show the font of selected text in the context menu.

Add sub-menus to History Menu for previous days' history.

Type anywhere and use the awesome bar straight away!

A lot of forums and boards provide very small textareas for new postings. If you type a longer posting, you have to scroll up and down, to read what you have written and to proceed. This situation is annoying.

Now here is my solution: Resizeable Textarea extension. It lets you resize most of those textareas.

Flexi Pages Widget is a highly configurable widget to list pages and sub-pages in WordPress sidebar. User friendly widget control comes with plenty of options. ‘Flexi Pages’ widget can be used as an alternative to the default WordPress ‘Pages’ widget.

This plugin creates a sitemap for your WordPress powered site. This is not just another XML sitemap plugin, but rather a true sitemap generator which is highly customizable from its own options page in the WordPress admin panel. Some of its features include: support for multi-level categories and pages, category/page exclusion, multiple-page generation with navigation, permalink support, choose what to display, what order to list items in, show comment counts and/or post dates, and much more. To see this plugin in action, visit my sitemap page.

Breadcrumb NavXT is a WordPress plugin compatible with WordPress versions 2.6 and up. This plugin generates locational breadcrumb trails for your WordPress blog. These represent the hierarchy leading up to the current page rather than the actual path taken to arrive at the current page.

Flagfox is an extension that displays a flag icon indicating the current webserver's physical location. Knowing where you're connected to adds an extra layer of awareness to your browsing and can be useful to indicate the native languages and legal jurisdictions that may apply. Additional information can be obtained via a multitude of external lookups and users can add their own custom actions. All actions can be added to the flag icon's context menu and set to icon click or keyboard shortcuts for quick access.

FishEyeTabs is a tiny extension for Mozilla Firefox that makes tab selection easier when many tabs are open. If tabs become too small, their labels are not readable. In Firefox 1.5 scrolling was introduced, which is often distracting, because the user has to switch from clicking tabs to clicking arrows and back. FishEyeTabs is an alternative to scrolling, it makes tabs visible using fisheye-style zooming. It is enough to move the mouse cursor over a tab, and it becomes visible automatically.

CoLT makes it easy to copy either a hyperlink's text or both the link and the link's text (in a format you specify). Two handy context-menu items make this possible, and don't add clutter; the items are only visible when right-clicking a link!

Tabs are presented in most-recently-used order, similar to Alt+Tab on various operating systems. Shift+Ctrl+Tab shows all tabs in a grid.

Mozilla Firefox look really ugly on Windows Vista, but that can change. With Glasser, you can bring Mozilla Firefox one step closer to looking like the browser made for Windows Vista. It does this by extending the glassy frame seen on other Windows like Windows Explorer and Internet Explorer into the navigation bar on Mozilla Firefox. The effect is astonishing. Don’t believe me, see below what Firefox looks like with Glasser and a little customization.

Fission combines address bar and progress bar - Safari style.

TwitterBar is an extension for the Mozilla Firefox Web browser (originally written by Tony Farndon) that allows you to post to Twitter from the Firefox address bar. Just type your tweet in the address bar and click the TwitterBar icon to send it to Twitter. You can also post the URL of the page you're currently reading by clicking the TwitterBar icon in the address bar.