Lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work and JS instrumentation
Cost / License
- Free
- Open Source
Application type
Platforms
- Self-Hosted
- Docker
Portugal
EU
reCaptcha WordPress Plugin AlternativesAnti-Spam Tools and other similar apps like reCaptcha WordPress Plugin
Apps similar to reCaptcha WordPress Plugin include Cap Captcha, which is free and open source. Other options are IronWall, Cloudflare Turnstile, hCaptcha and mCaptcha. In total there are nine Anti-Spam Tools like reCaptcha WordPress Plugin for the web and self-hosting.
Alternatives list
Turnstile is Cloudflare's smart CAPTCHA alternative. It automatically chooses from a rotating suite of non-intrusive browser challenges based on telemetry and client behavior exhibited during a session.
Cost / License
- Free
- Proprietary
Platforms
- Online
- JavaScript
- Software as a Service (SaaS)
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.
Germany- EU
TrustCaptcha is a privacy-first, invisible CAPTCHA that protects your website from bots and spam—without disrupting your users.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Spring
- Kotlin
- Rust
- Ruby
- Python
- .NET Framework
- Craft CMS
- React
- Groovy
- JavaScript
- Angular
- Software as a Service (SaaS)
- Scala
- PHP
- Go (Programming Language)
- Typescript
- Java
- Wordpress
- Node.JS
- Vue.js
- Germany
- EU
+4
Cost / License
- Free
- Proprietary
Platforms
- Online
Protect your business from bots and spam while ensuring 100% data privacy compliance. No puzzles, no tracking – just invisible security that works.
Cost / License
- Paid
- Proprietary
Platforms
- Software as a Service (SaaS)
- Online
United States
India
Austria