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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.
2,735stars+90(+3.4%)

Last 30 days

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.
7,688stars+237(+3.2%)

Last 30 days

Screenshot of Cap

Detailed Comparison

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

Cap wins
Community & Popularity

Cap leads in popularity with 7,688 stars vs 2,735 stars for ALTCHA. The 181% higher star count indicates stronger community adoption. In terms of developer contributions, Cap has 557 forks, indicating moderate developer engagement.

Comparable
Growth Momentum

ALTCHA and Cap are moving at much the same rate, adding 90 stars and adding 237 stars respectively over the last 30 days (+3.4% vs +3.2%). Neither is pulling away from the other on momentum alone.

Comparable
Development Activity

Both projects show recent activity, with ALTCHA last updated 18 days ago and Cap 2 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 3 years ago, compared to Cap which began 2 years ago. This 1.2-year head start suggests ALTCHA may have more mature features and established processes.

ALTCHA wins
Licensing

ALTCHA uses the MIT license, which is more permissive than Cap's Apache-2.0 license, potentially offering greater flexibility for commercial use and integration.

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.