What is Design First ?
Design First is a set of tools to help developers to design before coding. It contains:
- System Designer, a UI designer to create systems and 
- System Runtime a JavaScript library to run and manage systems. - What is a system ? - A system is an application: - defined by a model,
- composed by components and
- that reacts to events with behaviors.
 
Design First architecture

- System Designer designs and bundles your system into a JSON file and
- System Runtime installs and runs this bundle server and client side.
