Top "Captcha" Sites

The Best Captcha Sites on the Web

A captcha system that uses successful decodings to helps digitise books for online use. Background, and details on how to incorporate…

Includes demonstrations, research papers, and news.

Presents this CAPTCHA script for generating complex images and codes to protect forms from spam and abuse. Includes documentation, a…

Mollom is a free web service to get rid of spam, unwanted content and fake users on your Drupal, Wordpress and Joomla site or blog

An open source Java framework for captcha definition and site integration. Project information, documentation, issue tracker, and…

Le meilleur site pour les jeux d'argent, offrant des bonus de poker, de jeux de casino en ligne et pronostics pour les paris sportifs.

kittenauth

Aimed at the visually impaired offers captcha solving and link and page tagging for screen readers.

Create and download forms. Easy to put on your websites. Get secure and accessible html forms, free and only one click away.