Cap provides a self-hosted, open source alternative to CAPTCHA challenges for websites.
Cap
vsLibreCaptcha
Cap vs LibreCaptcha
How do Cap and LibreCaptcha compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Cap | LibreCaptcha |
|---|---|---|
| What it is | Cap offers an open-source, self-hosted CAPTCHA alternative using proof-of-work and instrumentation challenges. | Build self-hosted, privacy-respecting CAPTCHA flows with the LibreCaptcha framework. |
| Website | ||
| Type | Open-source project | Open-source project |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Not recorded |
| Open source | Yes | Yes |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Cap and LibreCaptcha.
Add a proof-of-work CAPTCHA system to an application using the mCaptcha backend component.
FreeOpen source
24 alternativesRun a privacy-focused home security camera system with support for multiple USB or Raspberry Pi cameras.
Open source
24 alternativesBlackVault protects AI API credentials with rate limits, budget caps, model restrictions, and an emergency kill switch.
Open source
24 alternativesConvert captured proxy traffic into an OpenAPI description by reverse engineering REST APIs.
Add proof-of-work verification to websites with mCaptcha, a privacy-focused automated CAPTCHA system.







