Here in this article, we have showcased the best available Captcha plugins which you can considerably use for your WordPress blog.
Captcha
The plugin allows you to implement super security captcha form into web forms.
Sweet Captcha
The plugin lets you design your own CAPTCHA and put your users and your website at first priority.
KeyCAPTCHA – Social WordPress CAPTCHA
The plugin is the free unique anti-spam solution and does not require any text typing. Moreover, the captcha contains social features.
Gab Captcha 2
The plugin is a simple, easy-to-solve and efficient captcha plugin for fighting spam in WordPress comments.
SI CAPTCHA Anti-Spam
The plugin lets you add CAPTCHA anti-spam methods to WordPress on the forms for comments, registration, lost password, login, or all.
WordPress captcha contact form with frontend TinyMCE editor
The plugin allows you to have a customizable WordPress captcha contact form with frontend TinyMCE editor.
FunCaptcha – game CAPTCHA
The plugin presents a mini-game CAPTCHA that blocks the bots while giving your users a few moments of fun. It’s a real security solution hardened by experts and automatically updated to provide the best protection.
Enmask Captcha
The plugin is based on encrypted text and paired with matching web fonts so user will see clearly the challenge text while the spam programs see the underlying encrypted text.
Blue Captcha
The plugin is a powerful and highly customized WordPress plugin that effectively protects your WP blogs from spammers and unwanted persons.
cbnet Really Simple CAPTCHA Comments
The plugin adds a CAPTCHA field to your comment form, using the API provided by the Really Simple CAPTCHA Plugin to provide the CAPTCHA image and validation.
Confident CAPTCHA
The plugin is a clickable, picture CAPTCHA that stops spam and malicious bots, while remaining very easy for people to solve.