This plugin is outdated and might not be supported anymore
Google's No Captcha reCaptcha

Google's No Captcha reCaptcha

Details
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This plugin adds Google’s No Captcha reCaptcha to WordPress comment, login, registration and lost password forms. A very short and sweet plugin which protects your website from bots trying to put spam comments, launch brute force attacks and creating fake accounts.

Details

Plugin code:
googles-no-captcha-recaptcha
Plugin version:
1.0
Outdated:
Yes
WP version:
3.0.1 or higher
PHP version:
or higher
Test up to WP version:
4.0.38
Total installations:
10
Last updated:
2015-01-23
Rating:
Times rated:
2
recaptcha
spam