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@altcha-org

ALTCHA

GDPR compliant, self-hosted CAPTCHA alternative.
README.md

ALTCHA

ALTCHA is free, open-source CAPTCHA alternative that protects your website from spam and abuse.

It uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other CAPTCHA solutions, ALTCHA is free, open-source and self-hosted, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR.

Get Started

Refer to the documentation.

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  1. altcha altcha Public

    GDPR compliant, self-hosted CAPTCHA alternative with PoW mechanism and advanced anti-spam filter.

    JavaScript 256 6

  2. altcha-lib altcha-lib Public

    A JavaScript library for creating and verifying ALTCHA challenges.

    TypeScript 13 4

  3. wordpress-plugin wordpress-plugin Public

    ALTCHA for WordPress plugin

    PHP 12 1

Repositories

Showing 8 of 8 repositories
  • wordpress-plugin Public

    ALTCHA for WordPress plugin

    altcha-org/wordpress-plugin’s past year of commit activity
    PHP 12 GPL-2.0 1 0 0 Updated Jul 15, 2024
  • forms Public

    ALTCHA Forms enables secure data collection through forms. Compliant with GDPR and HIPAA.

    altcha-org/forms’s past year of commit activity
    Svelte 5 AGPL-3.0 1 3 0 Updated Jul 15, 2024
  • altcha-lib Public

    A JavaScript library for creating and verifying ALTCHA challenges.

    altcha-org/altcha-lib’s past year of commit activity
    TypeScript 13 MIT 4 3 0 Updated Jul 12, 2024
  • altcha Public

    GDPR compliant, self-hosted CAPTCHA alternative with PoW mechanism and advanced anti-spam filter.

    altcha-org/altcha’s past year of commit activity
    JavaScript 256 MIT 6 2 0 Updated Jul 9, 2024
  • anti-spam-report Public

    Comprehensive anti-spam report evaluating performance, accuracy, and regulatory compliance.

    altcha-org/anti-spam-report’s past year of commit activity
    TypeScript 0 1 0 0 Updated Jun 21, 2024
  • tutorials Public

    ALTCHA Tutorials

    altcha-org/tutorials’s past year of commit activity
    Astro 1 0 0 0 Updated May 4, 2024
  • altcha-crypto Public
    altcha-org/altcha-crypto’s past year of commit activity
    TypeScript 0 MIT 0 0 0 Updated Apr 6, 2024
  • .github Public
    altcha-org/.github’s past year of commit activity
    0 0 0 0 Updated Feb 25, 2024

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