There are currently over two million apps available for Apple iPhone. Android has even more. When you throw in Windows, Mac, Linux and myriad browser extensions, the number of apps to choose from is truly overwhelming.

To help simplify things, Lifehacker's experts have hand-picked around 200 apps for Windows, Mac, Linux, Android, Chrome and iOS that every technology user should own. Best of all, most of them are completely free!

Android tablet apps got a jolt of excitement this year when we learned they’re coming to Chromebooks soon, too. In our follow up to last week’s annual Android pack, we’re checking out the apps that are doing the best with larger screens.

Firefox is still a strong browser and with Chrome getting heavier than ever, many are looking back to their old friend Firefox as an alternative. Plus, it’s still got one of the best, well-vetted extension libraries around. Here are the essential Firefox extensions you need to bend the web to your will.

The iPhone has the largest selection of apps on the mobile side, but that means it's also the most frustrating to find what's worthwhile. So we’re highlighting the apps that help you stay productive, connected, informed, and entertained.

With over two million apps in the Play Store, Android is home to one of the biggest app stores in the world. Soon they’ll even be on your favorite Chromebooks as well. In this year’s annual Lifehacker Pack, we’re picking the must-have downloads for every category of app you could ever need.

Google’s Chrome browser is packed full of an incredible amount of extensions that add all sorts of functionality. It’s tough to sift through the store to find what’s useful though, so let us save you some time with this collection of our favorite Chrome extensions.

It took a little while for the apps to come into their own, but we’re at a place now where the iPad has nearly as good of a selection of apps as the iPhone. Now, it’s harder than ever to find apps that are worthwhile. Let us save you some time with this collection of the best iPad apps.

With so many flavours of Linux and the awesome apps in their repositories, finding the right app for getting things done can be tough. In our annual Lifehacker Pack for Linux, we're highlighting the must-have downloads for better productivity, communication, media management, and more.

There are a bunch of great apps you can install on your Mac — no question there. Separating amazing apps from must-have apps is the hard part, and we don’t want you to spend hours analyzing the Mac App Store (or scouring the web) to find the very best and most useful apps. We’ve made a list of champions across four categories: productivity; Internet and communications; music, photos, and video; and utilities.