Here, I want to make a quick list of some nice useful wp-plugins that I’ve tested.
No CAPTCHA reCAPTCHA
This free plugin is using Google’s reCaptcha. This is a new generation anti-robot protection for web forms. I really liked and used on this web site.
Plugin website on wordpress.org
JSON API
This free plugin is fetching the wordpress content in JSON format.
Plugin website on wordpress.org