PhotoFlip is a project mainly written in Ruby, it's free.
Flips photos using Aviary API
=PhotoFlip
==Start Server ruby -rubygems main.rb
==Developer Key In order to use this, secret.txt must exist in the root directory and be filled out correctly. The format is: key secret_key where key and secret_key are given to you for use with Aviary's Effects API
==Notes Only valid URLs are accepted at the moment