- Client-Side & Server-Side Validation
- Use as widget, shortcode, or template tags
- Simple CAPTCHA with tamper-proof encryption
- Smart 'Register' Tab
- Trap Mailing Errors
The ZB Toolkit (404 link removed 2015/02/17) also includes a couple of bonus "home-brewed utilities" to make it all sweet. Demo available at the plugin home page in the sidebar – Check it out!