riiv.net» Blog Archive » MindFrame - Demystifying Rich Internet Application I've admired Spry since it first began evolving a year ago, and if you want to deliver data to users through a small XML data file, it's one of the best ways to do it. Now MindFrame is designed to bring those benefits to the growing Prototype.js universe. It also relies on a new open source library called ZParse, which apparently lets you define your own JavaScript parsing language. How cool is that?