What is the main difference between Cap and Private Captcha?

Cap and Private Captcha are both captcha & bot protection tools but differ in their approach, features, and target audience. Compare their GitHub stats, technology stack, and community adoption to make the best choice.

Which is better: Cap or Private Captcha?

The choice between Cap and Private Captcha depends on your specific needs, technical requirements, and team preferences. Both are quality open source solutions with active communities.

Can I migrate from Cap to Private Captcha?

Migration between Cap and Private Captcha is possible but requires careful planning. Consider data export/import capabilities, feature parity, and potential workflow changes.

Bright Data – Web data for AI agents and apps. Built-in unblocking, proxies, and ready-made APIs.

Learn More

Cap vs Private Captcha

Learn how Cap and Private Captcha 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.

Cap

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

Visit Cap Read more

8,090stars+281(+3.6%)

Last 30 days

Last commit
7 days ago
Repository age
2 years
Version
3.1.13
License
Apache-2.0
Self-hosted
Yes
Repository
tiagozip/cap

Private Captcha

Privacy-first CAPTCHA service that blocks bots while keeping forms accessible. No puzzles, no tracking, no cookies - just invisible cryptographic protection.

Visit Private Captcha Read more

197stars+3(+1.5%)

Last 30 days

Last commit
7 hours ago
Repository age
3 years
Version
v1.45.0
Self-hosted
Yes
Repository
privatecaptcha

Detailed Comparison

Cap appears to have several advantages over Private Captcha, particularly in popularity, growth and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Cap wins

Community & Popularity

Cap significantly outpaces Private Captcha in community adoption with 8,090 stars compared to 197 stars on GitHub. This 41.1x difference suggests Cap has a much larger and more active community. In terms of developer contributions, Cap has 622 forks, indicating moderate developer engagement.

Cap wins

Growth Momentum

Cap is growing faster, adding 281 stars in the last 30 days (+3.6%) against adding 3 stars for Private Captcha (+1.5%). Cap is both larger and pulling further ahead.

Comparable

Development Activity

Both projects show recent activity, with Cap last updated 7 days ago and Private Captcha 7 hours 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 uses Rust, Vue while Private Captcha leverages Bash, Golang.

Private Captcha wins

Project Maturity

Private Captcha has been in development longer, starting 3 years ago, compared to Cap which began 2 years ago. This 1.1-year head start suggests Private Captcha may have more mature features and established processes.

Cap wins