osolwordpress

Description: Plugin to add captcha to core wordpress forms and additional option for contact us page.Just need to insert the code [cccontact] in a page where you want to show contact us form.
Thanks for downloading and installing my plugin. You can show your appreciation and support future development by donating.
For more info visit: 
https://wordpress.org/plugins/customizable-captcha-and-contact-us-form/ 
and 
http://www.outsource-online.net/osolmulticaptcha-simplest-php-captcha-for-html-forms.html
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Customizable Captcha and Contact us

Description: Plugin to add captcha to core wordpress forms and additional option for contact us page with ajax captcha verification.

dmitritechs

WP Quick Contact Plugin is a simple pop up contact form. User can use it to send message with their phone no:, Email-id, Subject. The admin side consist of ‘To’, ‘BCC’ and ‘Subject’ fields.
WP Quick Contact Plugin allows you to: 
* Simply place in your posts, pages,. 
Please visit http://www.dmitritech.com to download the plugin.

WP Quick Contact Us

A plugin to creating floating contact form on home, pages or posts.

Customizable Captcha and Contact us vs WP Quick Contact Us