WordPress Polls plugin. Visitors can choose multiple and adds their own answers. Works with cache plugins like WP Super Cache.

(80)

Light and invisible method to block auto-spam when spam comment is posted. Pings and trackbacks cheks for real backlinks.

(15)

Create any thumbnails on fly and cache the result. Auto-create of post thumbs based on: WP post thumbnail or first img in post content/attachment.

(15)

Count clicks on any link all over the site. Creates beautiful file download block in post content. Has top downloads widget.

(9)

Replace WP smilies (emoticons) to pretty dynamic one. Automaticaly add smiley block to comment form and in visual/HTML editor on admin.

(9)