likeexchange.net is a website that enables Facebook fan page discovery and helps its members exchange likes with each other.
Your Mashup not listed on ProgrammableWeb yet? Tell us about it and get listed.
flightwise (formerly fboweb.com)
Google Buzz Widget
Yahoo! Search API Tutorial
RFacebook Ruby Gem
Services_Facebook: PHP library for Facebook
Creating a Facebook photo album with Adobe Flex
Official Facebook .NET Client Library
Facebook.NET: Open Source for Facebook
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.