The Lifehacker App Directory Curates the Best Apps for All Your Gear
Lifehacker's App Directory is a constantly maintained and updated directory of the best applications and tools for computers (Windows, Mac, and Linux) and smartphones (Android and iPhone). Want to make sure you've got the best of the best installed on your system? Simply click on your platform-of-choice below to get started.
via lifehacker.com
Best is a matter of opinion, but if you are looking for something this is a good resource.