AVG PrivacyFix, Bitdefender TrafficLight, and the Electronic Frontier Foundation's Privacy Badger identify and block ad networks and other entities that track your Web activities.
The free extensions for Mozilla Firefox, Google Chrome, and Internet Explorer thwart trackers, block ads (in Firefox and Chrome), and rate the safety of links before you click them: Ghostery, Adblock Plus, and Web of Trust, respectively.
The new browser won't let new third-party add-ons run until users give the say-so, and it suggests old ones be disabled. Also: Twitter search and a tab tune-up.
Mozilla programmers hope to release the first beta version of Jetpack, Firefox 4's new foundation for customization through add-ons, on Monday. It won't be feature-complete, though.
IE remains the most widely used browser, and version 8 is much safer than its predecessors; these six free add-ons help IE 8 users avoid malware and other Web dangers.
Google Chrome 4 is here, and it's as swift as ever. But it's also poised to take on Firefox for the title of king of browsers, as it now extends to extensions
Taking on the tech industry's biggest companies might seem a fool's errand, but Russia's Yandex has reason to think its Web browser has a chance challenging Chrome.
No browser is unbreachable, but the security add-ons available for Mozilla's Firefox browser certainly put the odds in your favor.
Mozilla's got a new project called Jetpack that will let users install and turn extensions on and off, all without them having to restart their browsers.
If you're a developer, Firefox extensions can help you get more out of your work. Here's a list of 15 add-ons that are all worth trying out.