Prontotype is a PHP framework for interactive, data-driven HTML prototypes, which is heavily utilizes technologies like Twig and YAML. For the starting developers, setup instructions and documentation is provided. Features of Prontotype:- Linked, multi-page prototypes- Realistic URLs- Reusable pieces of HTML code- Make prototype-wide updates- Powerful template inheritance- Mock-up everything- Data structures can be defined using YAML or CSV files- ...