Net-Amazon-EC2 is a project mainly written in Perl, it's free.
Release history of Net-Amazon-EC2
Net::Amazon::EC2
Perl interface to the Amazon Elastic Compute Cloud (EC2).
INSTALLATION
To install this module, run the following commands:
perl Makefile.PL make make test make install
COPYRIGHT
Copyright (c) 2006-2010 Jeff Kim. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.