Introduction to Wireframing & Prototyping Tools
There are several wire framing tools out there. One of the most popular tools is Balsamiq but its not free. So we will familiarize you with 2 tools, JustinMind because its got pretty good features and is free, and Pencil which is free and open source! There are many more free tools- so you can use any tool you like. Most are pretty easy to learn.