Social Network APIs

I have been doing a lot of research into how you would integrate the various Social Networks into my own websites and web applications. I have been keeping tabs with various links, and I thought it would be handy to put up a sort of Developer's reference. Here is an almost one-stop guide to you developer needs!


If you know of any other resources feel free to add them in the comments below!

YouTube

• Apps Dashboard
•  Getting Started with Youtube APIs
   
• Overview of Youtube APIs

Facebook

• Graph Explorer (see what you can access through Facebook)
• Apps Documentation
   
• The PHP SDK (a tutorial is available here)
   
• JS SDK (the references are available here)

Twitter

• Getting Started
• Documentation
• Stream API (this is split into site streams and user streams)

Google+

• The Google +1 button (more info here)

Linked In

• Linked In APIs
• Website Plugins