RAD or Rapid application development is a software development methodology developed in response to the different ‘classic waterfall’ development methods. Distinctive for RAD is that it favors speed and flexibility over a detailed upfront planning. RAD development consists in its core of 3 phases: design, implementation & delivery.
Betty Blocks is a RAD platform. By using the visual model builder, applications are designed intuitively and 8-10x faster without programming.