The browser debate is pretty heated on all platforms, but we love Chrome on the Mac. It's fast, easy to use, has a great developer community, and even handles failure with grace.

Chrome: If you've discovered a new band or artist while browsing the web and want to hear more from them or go buy their songs, FindThatBand lets you right-click their name to search Amazon MP3, iTunes, Discogs, Grooveshark, and more services so you can learn more about them. More »

Chrome: If you're still looking for a way to easily make your posts on Facebook appear on Twitter or Google+, Publish Sync is a Chrome extension that gives you the flexibility to post the same thing to one or all of your other social networks at the same time. More »

Android: If you don't want to use Google Voice to manage your SMS messages on the desktop, DeskSMS will let you manage them from Gmail, GTalk, a speedy web interface, and even a Chrome extension—no number porting required. More »

Start Google Plus is a great extension for Chrome and Firefox that lets you update Twitter and Facebook from within Google+, also adding feeds from both social networks onto your main page. We mentioned it in our Facebook to Google+ migration guide, but felt it deserved to be highlighted on its own because it's so useful. More »

<!-- videoId: YCfzJX0a2Ts --><!-- /videoId: YCfzJX0a2Ts --> It's difficult enough to keep track of all your open tabs, so when one starts playing an ad for mo

Chrome: The combined powers of Syncpad for Simplenote and Syncpad Webnotes lets you place sticky notes directly on web pages that sync with all of your Chrome installations. More »

Chrome: Eventnote is a Chrome extension that allows you to automatically send any events you enter to Google Calendar to your Evernote account as well. More »

Chrome: Smooth Gestures is an add-on for Chrome that allows you to open new tabs, close old tabs, reload pages, and open links all using mouse or trackpad gestures you configure and toggle with hotkeys. More »

Chrome: Buffer is a webapp that will schedule and publish articles and links that you want to share with friends on Twitter on a schedule that doesn't annoy your followers and make them want to unfollow you.More »

Chrome: The browser extension Google+ Ultimate adds a notification counter with dropdown, fixed floating navigation, and an optional side-by-side stream view along with other tweaks.More »

Safari: SafariOmnibar is a simple plug-in for Safari that removes the search box from Safari and extends the location bar all the way across the top of the window. It also allows you to search by typing your search term into the location bar.More »

Chrome: Many of your favorite sites have their own Chrome extensions that offer offline browsing, powerful searches, or other features. There's a Web App for That is a Chrome extension that, once downloaded, gives suggestions for future extensions based on the sites you visit most often.More »

• Google+Facebook Extension Integrates Facebook Viewing and Updating on Google+ (Chrome/Firefox/Internet Explorer)
  If you're loving Google+ but finding it to be virtual ghost town while your friends slowly trickle in, the Google+Facebook browser extension incorporates your Facebook feed to your Google+ stream.
  

Chrome: The "Open ZIP and RAR With GDocs" Chrome extension lets you view the contents of a compressed archive directly in your browser using Google Docs' convenient support for ZIP and RAR archives. More »

Firefox: SelectionSK is a Firefox extension that offers language translations, highlighting, and multi-engine search to

Chrome/Firefox/Internet Explorer: If you're loving Google+ but finding it to be virtual ghost town while your friends slowly trickle in, the Google+Facebook browser extension incorporates your Facebook feed to your Google+ stream. You can also post status updates and replies directly within Google+.More »

Chrome: Google+ notifications appear on all Google sites, but if you find them distracting or wish you could turn them off, the BlockPlus add-on for Chrome will remove them from all sites except for Google+. More »

Chrome: If you want Gmail or other webmail service provider to be your default email client when you click on email links on a webpage, this handy extension is one of the simplest ways to set up that default action.More »

Firefox/Chrome/Opera: Right before Google announced Google+ the company changed the bar across the top of all Google pages black. That bar now has links to your often-used Google services, and the Google+ Enhancer userscript makes it more useful by adding unread item counts to the ones you use. More »