AppFlow App Discovery App for Windows
'Browse and discover apps in a new, engaging and beautiful way. AppFlow presents a unique way to explore the marketplace via its Lists, Discovery and Stats features. Browse a dozen unique app lists, such as Indie Games, Rising Stars, Forgotten Legends, Hidden Gems and many more. Discover apps for social networking like facebook, skype, kik, icq, messenger, games like angry birds, fruit ninja, need for speed, music like pandora, spotify, radio, flash, search tools like google, bing, yahoo, navigation tools with GPS, maps and lots of more such as weather apps and books.'
This is a free app.