Mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application. Mockingbird helps you save time and money by letting you decide what to build before sinking resources into it. Mockingbird makes planning fast and effective and keeps your project on track. Communicate with and present to your clients using clear mockups. Eliminate costly back-and-forth and deliver exactly what clients want.