HumanID – Anti-Spam Comment Filter || Stop Junk Comments & Protect Your Users' Privacy. 100% Open Source. Wordpress Plugin - Rating, Reviews, Demo & Download
Plugin Description
humanID’s anti-bot authentication has been created by the Foundation for a Human Internet, a Harvard & Mozilla-backed nonprofit.
humanID protects users anonymity, while stopping automated and previously blocked users. This means that website-owners have to spent up to 90% less time reviewing comments, while end users do not have to struggle with annoying CAPTCHAs
How to Contribute
The source codes can be downloaded here GitHub