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Add Altcha.org to Captchas

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Daniel Regeci 2024-06-17 14:36:05 +02:00 committed by GitHub
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@ -280,6 +280,7 @@ Google captchas use cookies to track users and rank their IPs.
- Google reCAPTCHA [![](https://shields.tosdr.org/en_217.svg)](https://tosdr.org/en/service/217)
<img width="16" src="misc/check.png"> </img> **Instead use**
- [Altcha.org](https://altcha.org) - Free, open-source and self-hosted CAPTCHA alternative using proof-of-work mechanism.
- [hCaptcha](https://www.hcaptcha.com/) - Privacy-first CAPTCHA for web, mobile, and more.
- [mCaptcha](http://mcaptcha.org/) ([repo](https://github.com/mCaptcha/mCaptcha)) - An open-source CAPTCHA system with seamless UX. mCaptcha uses SHA256 based proof-of-work (PoW) to rate limit users.
- [OOPSpam](https://www.oopspam.com/) - No-captcha, privacy-friendly anti-spam, anti-bot API. Requires no personal data for detection. Supports popular platforms like WordPress. Privacy commitment in their mission statement.