FAST AND SECURE CONTENT FORM
http://wordpress.org/extend/plugins/si-contact-form/
Fast Secure Contact Form for WordPress. This contact form lets your visitors send you a quick E-mail message. Blocks all common spammer tactics. Spam is no longer a problem. Includes a CAPTCHA and Akismet support. Additionally, the plugin has a multi-form feature, optional extra fields, and an option to redirect visitors to any URL after the message is sent. Super customizable.
CFORMS
http://www.deliciousdays.com/cforms-plugin/
cforms is a powerful and feature rich form plugin for WordPress, offering convenient deployment of multiple Ajax driven contact forms throughout your blog or even on the same page.
