altcha

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A lightweight PHP library for creating and verifying ALTCHA challenges.

php altcha

ALTCHA for WordPress plugin

wordpress spam captcha antispam spamfilter altcha

A Symfony bundle to help integrate ALTCHA with Symfony forms.

symfony symfony-bundle captcha altcha

ALTCHA for WordPress v2 is the professional solution for keeping your website safe from spam, bots, and abuse.

wordpress security spam captcha altcha

An enhanced reCAPTCHA alternative and anti-spam tool to prevent automated spam bots from creating fake accounts in Moodle.

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