WordPress Form Manager is a plugin tool by hoffcamp or creating forms to collect and download data from visitors to your WordPress site, and keeps track of time/date and registered users as well. Form features include validation, requried fields, and custom acknowledgments. Forms can be added to posts or pages using a simple shortcode format.
Supported field types:
text field
text area
dropdown
radio buttons
checkbox / checkbox list
multiline select
Subtitles and notes can also be added to the form in any location.
Download and info: http://wordpress.org/extend/plugins/wordpress-form-manager/