Intouch is a plugin for WordPress which allows you to insert a custom build contact form, which on submission will send the information via email.

Features

These are the list of features available in the current version.

• Customizable contact form with variable number of fields.
• Ability to specify mandatory fields.
• Can forwarded to any email address.
• Instant insertion using the Quicktag.
• Complete customization from admin panel.
• Instant submission using AJAX (for JavaScript supported browsers), and minimum overhead.
• Fall-back to standard HTML form submission, if JavaScript is not supported.
• Conforms to XHTML 1.0 Strict / XHTML 1.1
• Compatible to be served as application/xhtml+xml

Pricing: Free
Requirements: Wordpress 1.5+, Javascript Enabled
Source: http://adahas.com/work/intouch/