Project AwsSum is a collection of Perl libraries which can talk to many web service APIs. Using them in your code is very simple and you can be up and going in no time.
There is also a simple command line tool which shows what it can do and how simple, but powerful, the system is.
Some services being implemented or complete:
At one point, Open Hub analyzed source code for this project based on code location(s) available at that time. Since then, the code locations have been removed.