I am developing ( not from scratch, thanks mdawaffe for the leg up! ) a plugin for polls and ratings on WordPress.org, available here. It basically uses the core code used on WordPress.com with a few extra’s necessary for that platform.
The plugin allows you to create and manage polls and ratings from within your WordPress dashboard. All polls and ratings are fully customizable. I have added the style editor to allow you to create your own custom style for a poll. You can collect unlimited votes and create unlimited polls and ratings. The ratings menu allows you to embed ratings into your pages, comments and posts, including posts on the front page.
I’ve recently added the ‘Top Rated’ widget that will allow you to place the widget in your sidebar. This widget will show you the top rated posts, pages and comments today, this week and this month.
I have added a template tag so you can now add a rating where you like. Just place the following line into your theme where you want the rating to be displayed.
<?php echo polldaddy_get_rating_html(); ?>
You can also use the Polldaddy shortcodes in a text widget, similar to on WordPress.com, to embed a survey, poll and a rating into the sidebar.
Polls short code
Surveys short code
Ratings short code