Matt

Easy to use voting contest plugin for WordPress. Simply let users vote photos/images in your Contests.
Installing and activating this plugin will place a vote button and a vote count below each photo of all contestants images using the [showcontestants id=’category id’] shortcode.
Note: Only logged in users can vote in Lite version!
<h4>PRO VERSION</h4>
The all-in-one <a href="https://wpvotingcontest.com/downloads/wordpress-voting-photo-contest-plugin/" rel="nofollow ugc">WordPress Contest plugin</a>. Start an Audio Contest, Video Contest, Photo Contest, or Essay Contest using a single plugin.
<h4>Online Demo</h4>
You can try out the <a href="https://demo.wpvotingcontest.com/" rel="nofollow ugc">Online demonstration</a> to see how the plugin works.
To login, go to the <a href="https://demo.wpvotingcontest.com/wp-admin/admin.php?page=contestants" rel="nofollow ugc">Demo dashboard</a> and login with demo / demo4.

WP Voting Contest Lite

Let users cast votes on your images/photos.

richymilo

Leo Gopal

Appends a custom likes box that allows a user to like any post type from the front end. 
Only one like is allowed per user/ip address. 
Once a user has liked the post type they can unlike it again by clicking on the same button. 
Plugin runs by using meta data and ajax.
The Plugin is configured via the admin page which is listed as a sub-menu item under “Settings”. 
The element that the box should be appended to as well as the post type to target should be selected.

Simple custom post likes

Appends a custom likes box that allows a user to like any post type from the front end.

WP Voting Contest Lite vs Simple custom post likes