PlebGUI: WebGUI Meets Plack
The idea goes like this: Web applications, when all is said and done, are really just on about sending three pieces of information to web browsers: a HTTP status code, a list of HTTP headers, and some content (a file or some text, normally HTML).
via blog.patspam.com
Patrick from WebGUI has posted a wonderful introductory article on PSGI and Plack, and he actually shows his working code to run WebGUI framework on top of Plack stack. This is way too awesome to believe.