Cap Captcha

https://capjs.js.org

About

Cap Captcha is a lightweight, modern, and privacy-focused open-source CAPTCHA alternative, developed in Portugal, designed using SHA-256 proof-of-work. Available for Self-Hosted and Docker environments, it provides a JavaScript API for web security, offering features such as customizability, no tracking, spam filtering, and dark mode, alongside the ability for users to suggest and vote on new features. As a free and open-source project, its development is visible on GitHub, and it maintains a presence on Twitter. While positioned as a robust spam filter, user reviews raise critical points regarding the effectiveness of its proof-of-work mechanism against sophisticated bots, suggesting it may only slow them down rather than stop them, and express concerns about potential battery drain and user experience on mobile devices compared to dynamically adapting solutions like Procaptcha.

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User Reviews

18 reviews

Positive
Pros
Captcha solving efficiency
High accuracy
Fast resolution speed
Cost-effective pricing
Responsive customer support
Easy API integration
Broad captcha type support
Reliable performance
Cons
Setup complexity
Chrome extension limitations
Occasional service downtime
Limited documentation
Minor captcha failure rate
Key Themes
Captcha resolution performance
Pricing and value
Customer service quality
API and integration
Product reliability
Documentation and resources
Website Performance Score
Website Performance Score
Recent News
Company Details

Industry

Web Security

Founded

Not specified

Company Size

Not specified

Location

Country

Portugal

Region

Not specified

City

Not specified