With the Koder app, you’ll be able to create, edit, and modify PHP, CSS, Javascript, HTML/ xHTML, Perl, XML, Ruby, Python, and other programming files on your iPad. It has features like syntax highlighting, built-in snippet management, tabbed editing, preview manager, and more. They recently added Firebug support in the previewer (iOS 5 only) to help with the web development debugging process. Koder is $5.99 in the iTunes app store.
