AppFog tomorrow will announce adding support for Ruby and Node.js to its collection of PHP solutions for developing Web apps. You can scale up and manage your apps with all three languages. With AppFog, users can set up ready-for-code servers quickly and deploy them with just a single command. The company recognizes the growth of both Ruby and Node.js and has a community of 20,000 developers who have deployed 10,000 apps using its developer tools.
The company has a private beta for hosting on CloudFoundry as well.