Firefox: If you've ever started up Firefox after a system crash and had it attempt to restore all the eleventy-billion tabs you had open, you know what a resource drain your tabs really are. BarTap helps alleviate the stress.
Google Chrome: If you've recently moved from Firefox to Chrome, you probably miss the way that Firefox orders tabs. This small Google Chrome extension switches the tab ordering in Chrome to mimic how Firefox handles new tabs.
Google Chrome: Setting a web site to refresh is old hat, but what if you want to refresh multiple sites and keep an eye on all of them? Revolver-Tabs refreshes and rotates your browser tabs.Revolver-Tabs is a Google Chrome extension that allows you to refresh not just one, but all of your browser tabs, at set intervals. In addition to reloading the page it rotates through the tabs one by one so that the individually refreshed sites are displayed without any interaction from you.
Google Chrome: It's easy to fill up the tab bar in Chrome to the point where you can't read the tab titles or easily find what you're looking for. VerticalTab lets you view tabs in a list and search, sort, and more.
Google Chrome (Windows/Mac/Linux): If you tend to have tons of small, hard-to-read tabs open at a time, navigate through them with TabJump, a Chrome extension that lets you open recently closed tabs, jump to open tabs, and group related tabs together.
The official Firefox 3.6 release changed where new tabs open from clicked links—to the right of the tab they launched from. Liked it better the old way? Here's the quick fix.
Mac only: Many users have been unhappy with OS X's Finder for a while, wishing for tabs, fixes for hidden file annoyances, and other conveniences. TotalFinder is a plug-in containing all this and more, creating a Finder worthy of a power user.
Thunderbird: Some may scoff at viewing web pages in Thunderbird, but it can be faster to quickly glimpse a link in a new T-bird tab than via your default browser. Thunderbird Extension WAT (WebApplicationTab) streamlines your inbox flow by making it so.
When you close your eyes, do you see great new browser design concepts? Mozilla would like to borrow your talent for a few moments and ask for your help in designing the look, and purpose, of Firefox 4's "Home" tab.