Leave videos, edited images, and interactive notes on your friends’ walls.
Author: LabPixies Ltd.
Share your feelings with your friends using this fun, social gadget.
E-junkie allows you to send and receive funds via Google Checkout and PayPal.
Allows you to import images from popular online photo albums and edit pictures.
Author: Hungry Machine
Build a virtual bookshelf on your profile. Review books, see what your friends are reading and who else is reading a given book.
Flixster allows you to rate and share movies with your friends.
Show the world how you’re feeling through Emote.
Play your iTunes music and create playlists.
Root for your favorite team with your friends and get the latest sports news.
Create playlists and listen to your friends’ songs on iLike.
Big ups to TheLabPixies for making kick ass widgets and social apps.
And for more examples of OpenSocial Apps check out:
Here is the Google OpenSocial developers Guide. Chock full of good stuff.