This plugin integrates a modified version of Hvem Glor's bPopup jquery plugin into your WordPress installation. It provides an easy set of options to control the style and behavior of the popup. Options include: mode (enable, disable or preview), set cookie, cookie expires, background color, overlay color, vertical position, and delay.

Allow customers to opt-in to notices about individual products.

Publish a sign-up list to rally up volunteers, event guests, participants and the likes. Show people who's on the list and let them sign up.

WP Valid Email is a WordPress plugin which offers suggestions to users who mis-type their email address when entering it on your website.