Are You a Human (WordPress)

"Are you a human" is a hosted CAPTCHA tool.

The plugin allows their CAPTCHAs to be used inside WP-powered sites.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Plugins and libraries for other platforms include:
Python
PHP (official)
PHP
Ruby
Perl
Java
.NET
Node.js (JavaScript)
Drupal
vBulletin
IP.Board
phpBB

What is new in this release:

• Updated plugin description.

What is new in version 1.4.20:

• Updated plugin description.

What is new in version 1.4.1:

• Fixed an issue causing the registration page of BuddyPress to not show PlayThru.

What is new in version 1.3.7:

• Changed how stylesheet is registered to prevent warning message when debug is on.

What is new in version 1.3.6:

• Updated ayah.php to version 1.1.4.

What is new in version 1.3.4:

• Fixed bug with validation in Contact Form 7 integration.

What is new in version 1.3.3:

• Fixed bug that caused stray curly brace to appear on screen.

What is new in version 1.3.2:

• Fixed bug with Contact Form 7 integration where PlayThru wouldn't correctly validate.

What is new in version 1.3.1:

• Gravity Forms integration.
• All form integrations are enabled by default.

What is new in version 1.3.0:

• Gravity Forms integration
• All form integrations are enabled by default

Requirements:

• WordPress 2.8 or higher
• Are You a Human API key credentials