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GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism and advanced anti-spam filter.

altcha.org

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MIT license
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GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism and advanced anti-spam filter.

altcha.org

Topics

recaptcha captcha svelte wcag spam-prevention spam-protection antispam spam-filtering spam-detection ddos-mitigation proof-of-work captcha-alternative ddos-protection webcomponent hcaptcha spam-api

Resources

Readme

License

MIT license

Code of conduct

Code of conduct

Security policy

Security policy
Activity
Custom properties

Stars

1.3k stars

Watchers

7 watching

Forks

49 forks
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Releases 52

v2.0.3 Latest
Jun 4, 2025
+ 51 releases

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Used by 151

  • @LucStk
  • @Light-it-labs
  • @mathewstars
  • @qultoltd
  • @mjmanas54
  • @TexasDigitalLibrary
  • @sayamsamal
  • @manyfold3d
+ 143

Contributors 6

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