Libraries tagged by Challenge

A lightweight PHP library for creating and verifying ALTCHA challenges.

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Challenge/response spambot protection for ext:form - Challenge/response spambot protection for TYPO3 ext:form - Adds a hidden input field containing a challenge string to forms. Client must execute included JavaScript to calculate the expected response.

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TBD

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Library to generate code challenge for OpenId flow.

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Multi-method two factor authentication for Laravel apps.

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Challenge/response spambot protection for TYPO3 ext:powermail

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TYPO3 Friendly Captcha - Friendly Captcha is a new way to protect your forms from bots without asking users to solve puzzles. It fully complies with GDPR regulations. Their device solves the challenge in the background, so they don't have to do anything extra.

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ALTCHA proof-of-work spam protection for Laravel — drop-in middleware, validation rule, and challenge endpoint.

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Cbox Risk — an explainable, config-driven request risk-scoring pipeline for Laravel. Weights signals (IP reputation, geo, disposable email, velocity, bot timing) into a score and an outcome: allow, challenge, step-up, or reject.

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Provides a form field which allows form to validate for non-bot submissions by giving them a challenge to decrypt an image.

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Access Domain Challenge Records

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Cloudflare Turnstile form field for Filament v5. Protect any Filament form with a bot-resistant challenge widget.

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PHP Captcha is an elegant, highly customizable, and secure captcha generator for PHP 8.0+. It supports advanced features like wave distortion, mathematical challenges, granular noise control, and custom font management.

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Challenge-Response Automation

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Hooks integrated in Voyager

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