A wireframe or mockup tool is a must have tool for every web designer and developer. These tools have their importance in web designing and development world. It is good to use them because it saves your time and efforts, a mockup or wireframe can give you the whole idea about how your web will look and work. Combination of your own creativity and client's requirement into a blank canvas, allows you to effectively plan the visual arrangements of the site's contents. Well, a good and reliable wireframing application will cost you for sure and cost can starts from 150$ to 5000$. So, are you going to buy or what? and I definitely heard a big NO out there. So, my friends here comes the solution to the problem, I am listing some good web apps and tools for you in my article and you can use these mockup and wireframing apps and tools for FREE.