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OpenAlternative

mCaptcha

Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement fo

Screenshot of mCaptcha

Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.

It is positioned as an open-source alternative to reCAPTCHA, hCaptcha, Cloudflare Turnstile.

Primary category: CAPTCHA & Bot Protection.

Detected stack: JavaScript, Github Actions, NodeJS, CSS, Bash, Typescript.

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What is mCaptcha?

mCaptcha is an open source project listed in the OpenAlternative directory. It is useful for teams comparing software options, evaluating self-hosted tools, and replacing proprietary services with transparent alternatives.

Alternative use case

mCaptcha can be considered when you are looking for open source alternatives to tools such as Cloudflare Turnstile, hCaptcha, reCAPTCHA.

Technology stack

mCaptcha is associated with technologies including Bash, CSS, Docker, Eslint, GitHub, Github Actions, JavaScript, Jest, which can help developers understand how it fits into an existing engineering stack.