Brad Feld recently wrote a blog post entitled, What Happened To The 4GL? In it, he describes the difficulty of working with today's web development frameworks: This summer I spent some time playing around with Google AppEngine.... It didn't take long before I realized I needed to really understand how to program in Python to do anything.People often ask whether Ruby on Rails is a competitor to WaveMaker. My response is that WaveMaker is for people who don't want to learn a new language to build