Good Form Security - no CAPTCHA

Question

Is there a good method of form security that does not involve CAPTCHA? CAPTCHA is so annoying, but I need security because I am getting form spam. My form is

Answer 1

Yes, I invented and developed a method many years ago called nocaptcha.

I tested employed it in my sites for a year then noticed google also using it.

I released it for Joomla (see http://shop.ekerner.com/index.php/shop/joomla-nocaptcha-detail ) and since it has been copied by many platforms (see https://www.google.com.au/search?q=nocaptcha ).

I believe the git hosted version via the above link can be deployed to any site, and if you cant find a version for your site then perhaps ask my dev team for a custom solution (see: http://www.ekerner.com/ ).