ninotheme

Nino Contact Form is a super lightweight plugin that easily create and add contact form to wordpress site. Using shortcode so it can be implemented on a page or a post. With 6 layout predefined, 3 form style and some other options, you will have the professional contact form.
For more information, check out <a href="http://ninotheme.com/plugins/nino-contact-form" rel="nofollow ugc">ninotheme.com</a>.
<h4>Features</h4>
<ul>
<li>6 form layout predefine.</li>
<li>3 layout style.</li>
<li>Security captcha to prevent spam.</li>
<li>Using shortcode to add contact form to a page or post.</li>
<li>Language customization for texts and labels.</li>
<li>Add a contact box to the sidebar of your website.</li>
<li>Easy to config</li>
</ul>

Nino contact form

The easiest way to get contact form to your site.

DCoda

This plugin is only supported on PHP 5.2 or greater.
 
PollMe is an easy to use and easy to modify polling tool for WordPress. Written to be easy to use to none coders.
You can design as many polls as you wish , displaying the results as either a bar are pie chart using Google Charts you can also download the raw data into a spreadsheet. 

If you are having trouble and cannot find the answers in the <a href="http://pollme.dcoda.co.uk/help/faq/" rel="nofollow ugc">FAQ</a> you can post your support questions to the <a href="https://wordpress.org/tags/pollme" rel="ugc">WordPress Support Forum</a>
If you find PollMe useful please rate it at <a href="https://wordpress.org/extend/plugins/pollme/" rel="ugc">wordpress.org</a> and please consider making a <a href="http://contactme.dcoda.co.uk/donate/" rel="nofollow ugc">donation</a> to help us set aside more hours to maintain PollMe
PollMe is written by <a href='http://dcoda.co.uk' rel="nofollow ugc">dcoda</a>
You can check out our other plugins <a href="https://profiles.wordpress.org/users/dcoda/" rel="nofollow ugc">here</a>
If you require a custom plugin you can contact us <a href="http://dcoda.co.uk/contact/" rel="nofollow ugc">here</a> and maybe we could write it for you.
<h3>Copyright</h3>
(c) Copyright DCoda Limited, 2007 -, All Rights Reserved.
This code is released under the GPL license version 2, available here:
<a href="http://www.gnu.org/licenses/gpl.txt" rel="nofollow ugc">http://www.gnu.org/licenses/gpl.txt</a>
There are so many possibly configurations of installation the plugin can be installed on we limit testing to a PHP 5.2+ Linux platform running the latest version of WordPress at the time of release but it is released WITHOUT ANY WARRANTY; 
 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

PollMe

An easy to modify poll system that uses Google Charts to display the results

Nino contact form vs PollMe