IronWall Alternatives

IronWall is described as 'Proof-of-Work (PoW) rate-limiting protocol designed to protect high-value API endpoints (AI generation, Auth, SMS triggers) from automated abuse' and is an app in the security & privacy category. There are more than 25 alternatives to IronWall for a variety of platforms, including Web-based, Self-Hosted, SaaS, JavaScript and PHP apps. The best IronWall alternative is Cap Captcha, which is both free and Open Source. Other great apps like IronWall are reCAPTCHA, Private Captcha, Cloudflare Turnstile and hCaptcha.

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Alternatives list

  1. Sblam! icon

    Sblam!

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

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Linux
    • Online
     

    • Sblam! is the most popular Linux alternative to IronWall.

    • Sblam! is Free and ProprietaryIronWall is Freemium and Open Source
  2. IconCaptcha icon

    IconCaptcha

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    conCaptcha is a self-hosted captcha which is faster, more user-friendly and more customizable than other captchas - available for PHP and ASP.NET websites. Users no longer have to read any annoying text images, solve difficult math equations or play any puzzle games.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Self-Hosted
    IconCaptcha screenshot 1
     
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