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ALTCHA vs Cap

Learn how ALTCHA and Cap differ in their key features, development activity, technology stack and community adoption, so you can decide which of these captcha & bot protection tools is best for you.

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Favicon of ALTCHA

ALTCHA

ALTCHA offers cutting-edge spam and abuse protection for websites and apps, with privacy-friendly CAPTCHA alternatives designed for GDPR compliance.
  • Stars


    2,223
  • Forks


    107
  • Last commit


    23 hours ago
  • Repository age


    2 years
  • License


    MIT
  • Self-hosted


    Yes
View Repository

Auto-fetched .

Screenshot of ALTCHA
Favicon of Cap

Cap

Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.
  • Stars


    6,269
  • Forks


    431
  • Last commit


    3 days ago
  • Repository age


    1 year
  • Self-hosted


    Yes
View Repository

Auto-fetched .

Screenshot of Cap

Detailed Comparison

Both ALTCHA and Cap have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, activity, technology, maturity, licensing and features when making your decision.

Cap wins
Community & Popularity

Cap leads in popularity with 6,269 stars vs 2,223 stars for ALTCHA. The 182% higher star count indicates stronger community adoption. In terms of developer contributions, Cap has 431 forks, indicating moderate developer engagement.

Comparable
Development Activity

Both projects show recent activity, with ALTCHA last updated 23 hours ago and Cap 3 days ago.

Comparable
Technology Stack

Both tools share common technology foundations, being built with JavaScript, CSS, Typescript. However, they differ in their additional technology choices: Cap leverages Rust, Vue.

ALTCHA wins
Project Maturity

ALTCHA has been in development longer, starting 2 years ago, compared to Cap which began 1 year ago. This 1.2-year head start suggests ALTCHA may have more mature features and established processes.

ALTCHA wins
Licensing

ALTCHA is licensed under MIT, while Cap's license terms are not publicly specified.

Comparable
Use Cases & Features

Both tools serve similar use cases in CAPTCHA & Bot Protection.

Comparable
Hosting & Deployment

Both ALTCHA and Cap offer self-hosting capabilities, giving you full control over your data and infrastructure.