No 4. MM Forms Community

An easy but not simple form builder, according to the author, MM forms community features many options like customize form and mail contents with simple markup, spam filtering with Akismet, Captcha prevention, automatic thank you e-mail after a submission and adding your own customized HTML form code instead of using the build-in field creator, giving you more flexibility and control on form behavior.

Go here to download.

No 3. Dagon Design Form Mailer

Also known as Secure Form Mailer, this plugin offers a lot of features such as multiple forms, multiple recipients, auto reply, multiple attachments, message template system and numerous security features. It is also available in over 20 languages.

Go here to download.