Balsamiq Wireframes

Balsamiq is web designers most preferred wireframe design tool. It lets designers create designs quickly, permits user testing and also allows them to share the project with your design team for any alterations. These are just additional perks that come along with the major features, like - Balsamiq's vast UI element library and templates, make it super easy to create user-friendly wireframe quickly. The drag-n-drop feature allows you to choose and place elements in your wireframe design, from the menu to get the desired interface.

The free version of Balsamiq comes with a 30 day trial period, post that user will have to opt for paid version.