The InstantRails project is outdated and contains just too much IMHO ( Apache, PHP, who needs that when searching for Rails?). Other options to get Rails running require an installer (RailsInstaller or RubyInstaller )... and in some environments ( limited access accounts ) installing is not an option. And in yet other environments, you'd, well I'd, rather have a command line option, instead of an in-your-face installer that requires end-users to press 'next', 'next', 'next'...

So that's why I created Portable Rails 3. It's name was 'inspired' (it's a boring name, I know) by the thoughtfully named Portable Git which makes an excelent companion.

Installing is as simple as extracting (or cloning) and running start-cmd.bat...