In case you were lacking your daily fix of new Facebook applications, here's a few more we've caught wind of today.
Go, powered by SmarterTravel, has created a Facebook application enabling you to search for airfare deals from your Facebook profile. Search flights across the country or across the world. Get your application now and you'll be entered to win one of three $500 air travel prizes provided by SmarterTravel. You don't need to sign up for a Go account in order to install the search widget onto your Facebook profile, and of course, friends can utilize the search as well.
Related Facebook apps include TripAdvisor and TravelPod.
The NewsCloud Facebook application brings collaborative social news to your profile. Choose which items you'd like to share with friends, keep up with the top stories, breaking news, and popular videos. This profile add-on will also import the recent activity for you and your friends. You don't need a NewsCloud account to access recent items, which can be shared with other Facebook users.
Related Facebook apps include Digg and Google Reader.
Jaiku's Facebook application lets you get your updates as well as the updates of your friends. You can also submit Jaiku updates from your Facebook profile. Jaiku has also added Google and Wordpress plug-ins.