UniqPin AlternativesAnti-Spam Tools and other similar apps like UniqPin

Alternatives list

1. 

   

   Cap Captcha

    29 likes

   Lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work and JS instrumentation

   36 Cap Captcha alternatives

   Cost / License

   • Free
   • Open Source

   Application type

   • Anti-Spam

   Origin

   • Portugal
   • EU

   Platforms

   • Self-Hosted
   • Docker

   • Portugal
   • EU

   

   

   

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   Good alternative?Is Cap Captcha a good alternative to UniqPin?

    
2. 

   

   Anubis

    21 likes

   Applies sha256 proof-of-work challenges to incoming HTTP requests, targeting AI crawlers, bots that ignore robots.txt, and automated scrapers, protecting server resources and preventing unwanted search engine indexing for privacy-focused sites.

   58 Anubis alternatives

   Cost / License

   • Free Personal
   • Open Source (MIT)

   Application typeApplication types

   • Bot Protection
   • DDoS Protection

   Origin

   • Canada

   Platforms

   • Self-Hosted
   • Go (Programming Language)
   • Docker

   • Canada

   

   More about Anubis  

   

   Good alternative?Is Anubis a good alternative to UniqPin?

    
4. 

   

   reCAPTCHA

    127 likes

   reCAPTCHA is a free service that protects your site from spam and abuse, using risk analysis techniques to tell humans and bots apart.

   35 reCAPTCHA alternatives

   Cost / License

   • Freemium
   • Proprietary

   Application type

   • Anti-Spam

   Origin

   • United States

   Platforms

   • Online

   • United States

   

   

   More about reCAPTCHA  

   

   Good alternative?Is reCAPTCHA a good alternative to UniqPin?

    
5. 

   

   Procaptcha

    15 likes

   Prosopo Procaptcha redefines user verification with a unique approach that emphasizes privacy and security. It's a pioneering solution designed to offer an alternative to conventional CAPTCHA systems that often compromise user privacy.

   Cost / License

   • Freemium
   • Open Source (Apache-2.0)

   Application typeApplication types

   • Anti-Spam
   • Bot Protection

   Origin

   • United Kingdom

   Platforms

   • Online
   • Software as a Service (SaaS)
   • Wordpress

   • United Kingdom

   

   

   

   +3

   

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6. 

   

   PrivateStater

    1 like

   Analytics, Captcha, Feedback widget in one script.

   Cost / License

   • Freemium
   • Proprietary

   Origin

   • South Korea

   Platforms

   • Online
   • Software as a Service (SaaS)

   • South Korea

   

   

   

   +4

   

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8. 

   

   IronWall

    1 like

   IronWall is a Proof-of-Work (PoW) rate-limiting protocol designed to protect high-value API endpoints (AI generation, Auth, SMS triggers) from automated abuse.

   Cost / License

   • Freemium
   • Open Source (MIT)

   Application type

   • Anti-Spam

   Platforms

   • Online
   • Software as a Service (SaaS)

   

   

   

   +2

   

   More about IronWall  

   

   Good alternative?Is IronWall a good alternative to UniqPin?

    
9. 

   

   hCaptcha

    12 likes

   hCaptcha is designed to solve the most labor intensive problem in machine learning: labeling massive amounts of data in a timely, affordable, and reliable way.

   Cost / License

   • Freemium
   • Proprietary

   Application type

   • Anti-Spam

   Origin

   • United States

   Platforms

   • Online

   • United States

   

   

   

   More about hCaptcha  

   

   Good alternative?Is hCaptcha a good alternative to UniqPin?

    
10. 

    

    mosparo

     6 likes

    mosparo is the modern solution for protecting your online forms from spam. The protection method is quite simple: mosparo blocks spam using rules matching the form’s data. The detection method is comparable to an e-mail spam filter.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    • Anti-Spam

    Origin

    • Switzerland

    Platforms

    • Online
    • Self-Hosted
    • Python
    • JavaScript
    • Drupal
    • Django
    • PHP
    • Mautic
    • Wordpress

    • Switzerland

    

    

    

    +9

    

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11. 

    

    mCaptcha

     4 likes

    A no-nonsense CAPTCHA system with seamless UX | Backend component.

    Cost / License

    • Free
    • Open Source (AGPL-3.0)

    Application type

    • Anti-Spam

    Origin

    • India

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)

    • India

    

    More about mCaptcha  

    

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12. 

    

    Friendly Captcha

     11 likes

    Friendly Captcha is an invisible CAPTCHA and bot protection solution that helps block bots and spam with privacy-first proof-of-work-without image or audio puzzles, cookies, or user tracking. GDPR- and CCPA-compliant and TÜV-certified as conformant with WCAG 2.

    Cost / License

    • Freemium
    • Open Source (MPL-2.0)

    Application type

    • Anti-Spam

    Origin

    • Germany
    • EU

    Platforms

    • Online
    • Software as a Service (SaaS)

    • Germany
    • EU

    

    More about Friendly Captcha  

    

    Good alternative?Is Friendly Captcha a good alternative to UniqPin?

     
13. 

    

    Mollom

     2 likes

    Mollom is a freemium web service to get rid of spam, unwanted content and fake users on your Drupal, Wordpress and Joomla site or blog.

    Cost / License

    • Freemium
    • Proprietary

    Origin

    • Belgium
    • EU

    Alerts

    • Discontinued

    Platforms

    • Online

    

    Good alternative?Is Mollom a good alternative to UniqPin?

     
14. 

    

    Sblam!

     3 likes

    Open-source implementation of server-side spam filtering of blog comments and forum posts.

    Cost / License

    • Free
    • Proprietary

    Application type

    • Anti-Spam

    Origin

    • Poland
    • EU

    Platforms

    • Linux
    • Online

    

    Good alternative?Is Sblam! a good alternative to UniqPin?