WPContact allows you to add an AJAX contact form to your WordPress blog. The plugin adds a new widget which you can use in the sidebar or footer, and set the options like widget title, form labels, captcha. You can also choose if the guests will be able to use it. The plugin allows you to easily manage the widget through the control panel, define the form labels and the widget title, choose if guests can use the form & an option to use reCAPTCHA.