Draw and edit flow charts, diagrams, images and more while editing a post.
An easy to use, highly customisable prize draw/competition generator. View entrees, auto-pick winners and more.
Comment Contest allows you to manage contests on your website. This plug-in draws all comments in a specific post and show you the winners.
Randomly select a winner or winners from the comments of a giveaway post.
Shared Whiteboard is a WordPress plugin that makes it easy to add interactive whiteboards to your posts and pages.
Lets commenters add a drawing or doodle on a picture from a given post.
idraw allows you to create beautiful diagrams and insert them into your posts or pages directly.
This plugin allows your visitors to draw an image as extra comment.
WordDraw enables you and your visitors to draw comments.
The Cacoo plugin for WordPress allows you to create diagrams and insert them into your posts.