PHP Fog, our original product, was a Platform-as-a-Service built specifically for PHP-based web apps. It ran on Amazon's AWS US-East data center and supported github integration, private VMs, and SSL.
PHP Fog was replaced by AppFog, which launched in the Summer of 2012, and PHP Fog was finally sunsetted in March of 2013. Read more about PHP Fog here.
AppFog is a polyglot, multi-cloud Platform-as-a-Service based on the Cloud Foundry Open Source Project. You can choose from a growing list of languages and frameworks and you can deploy from a growing list of infrastructures and data centers using our command line tool.