Webforms are available within Drupal to use on your site.

Webforms are found within the Structure page in the backend. A form showing common form elements is shown below.  

See this plalylist for Drupal webform module for more details about building forms.

Example Form Elements

Example of the "Basic HTML element." This can be used for an introduction to the form. It is created using a WYSIWYG editor. 
Sample Composite Element with Title
Sample fieldset
Checkbox Group
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Some more text to read

Sample Checkboxes
This is a sample description
Sample Radio Buttons
Another checkbox group
Sample Table Select
First table option
Second table option
Another table option
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.