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scalr - Project Hosting on Google Code
code.google.com/p/scalr/, posted 2009 by peter in cloudcomputing development free hosting software
Scalr is a fully redundant, self-curing and self-scaling hosting environment using Amazon's EC2.
It allows you to create server farms through a web-based interface using prebuilt AMI's for load balancers (pound, nginx, or Amazon's load balancing service), app servers (apache, rails, others), databases (mysql master-slave, others), and a generic AMI to build on top of.