From Facebook Developer Wiki

• Locally Debug your PHP Facebook App
• Some Generics on Facebook and PHP Development from a Java perspective
• Facebook Debugging and AJAX Caveats
• How to Style an Application Like Facebook
• How to Write an ASP.NET Facebook Application
• Step-by-step guide with a VS.NET 2008 Starter Kit for ASP.NET Facebook Development
• Implement a Facebook photo album using the Flex SDK
• How to Write a Facebook Application in 5 minutes (includes a video screencast)

[edit] Guides to Building

• Anatomy of a Facebook application
• Creating your first application
• Creating a desktop application
• Callback page
• Creating Feed Stories
• Express Registration - registering your existing users onto Facebook if they're not already there.
• Random questions
• Creating an invite page for your application
• Introduction to validation on Facebook
• Working with Sessions from Flash
• 11 Tips for first-time Facebook App Developers
• Tutorial Application for the Facebooker Library ( Ruby Facebook API Library)
• Facebook Platform Tips & Tutorials
• Fixing issue: http://support.microsoft.com/kb/216493 (IIS5 / XP) http 405 error
• Make a ColdFusion Facebook Application in 8 Minutes
• Adding XFBML support to an ASP.NET based Facebook Application
• How to build a Facebook application locally
• How to list your friends, and see if they are friends among themselves already
• How to create a simple application on zembly.com
• How to create a photo slideshow using Sharendipity