Hi Guys In This tutorial i will explain you how you can create a free Facebook application. its free 0 of cast, as you know Facebook is very popular communication on internet and most famous social network site with 1000 of features, peoples earning thousands of dollars daily from Facebook applications. So lets start this tutorial and make a application, some time we need to make application when we use Facebook comments or wall poster systems on our blogs or web sites.
From Facebook :
Building an app on Facebook gives you the opportunity to deeply integrate into the core Facebook experience. Your app can integrate with many aspects of Facebook.com, including the News Feed and Notifications. All of the core Facebook Platform technologies, such as Social Plugins, the Graph API and Platform Dialogs are available to Apps on Facebook.
Step 1 >> Go to : https://developers.facebook.com/ and click on Go to App And Allow facebook application developers to authorize your facebook account.