The Australian Government Design System provides a framework and a set of tools to help designers and developers build government products and services more easily.

This software is a clever mix between Sketch, Keynote, Flash and After Effect (plus some bonus features specifically for interactive prototypes)... Easily creating tap transitions from one screen to another is, to me, the core of the software. - Principle : the prototyping tool you’ve got to try — STARTUPS + WANDERLUST + LIFE HACKING — Medium