Google+ developers public API is now available [Google Plus]

Wait is over for developers who wanted to create their own Google+ applications.
Google have launched developers public API for developers. We will be able to see more Google+ tools and applications.

Google Plus developers site is developers.google.com/+

API starter guides are available at developers.google.com/+/api

 Google+ public API is still limited and in beta testing. More improvements and features will be added soon.