Human Pictcha is a protection in a form of an image (a captcha), which can be embedded inside your web forms, and which will filter out various forum spam, guestbook spam, form spam, signup spam, password attacks.
- For PHP or Perl forms
- Easy to setup and maintain
- Full open source
- Compatible with the typical webserver setup
- Secure and hard to defeat by OCR
- You can tune it to match your website looks
- Complete documentation