# ZYSzys/awesome-captcha

:key: Curated list of awesome captcha libraries and crack tools.

Repository: https://github.com/ZYSzys/awesome-captcha
Canonical: https://ross.abutalabs.com/products/awesome-captcha
Homepage: http://zyszys.github.io/awesome-captcha/
Language: JavaScript
License: MIT
License Family: permissive
Topics: captcha, captcha-solving, captcha-breaking, captcha-generator, captcha-image, awesome, awesome-list, captcha-library, captcha-break, captcha-solver, crack-captcha, image-captcha
Last push: 2026-04-17T22:10:48+00:00

## Health v2 (maintenance only)
Score: 67/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 77, release rhythm 35, longevity 100
- inputs: {"age_days": 3125, "days_push": 138, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1420, forks 127 (observed 2026-08-28T04:04:40.567140+00:00)

## What it is
A curated awesome-list of CAPTCHA libraries, generation tools, and captcha cracking/solving resources across many languages. It serves as a reference index rather than a usable software artifact itself.

## Use cases
- find a captcha library for my web app
- generate image captchas in node.js
- solve or crack captchas with machine learning
- compare captcha generation tools across languages
- find self-hosted captcha services
- learn how captcha breaking works

## When to choose
- you want a broad, multi-language index of captcha generation and solving tools
- you are researching captcha techniques or building a captcha feature
- you want both defensive (generation) and offensive (cracking) resources in one place

## When to avoid
- you need a single production-ready captcha solution rather than a list of options
- you expect maintained, tested code - this is a link collection
- you need up-to-date evaluations of each listed project

## Facets
- artifact type: learning-resource
- maturity: active
- function: security, ocr, image-processing, developer-tools
- domain: security, awesome-lists, web-development, machine-learning
- platform: cross-platform
- tags: captcha, captcha-generation, captcha-solving, curated-list, recaptcha

## Member repositories
- ZYSzys/awesome-captcha (main) score 67

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:40.567140+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:37:47.983623+00:00, confidence not recorded.
  - readme: https://github.com/ZYSzys/awesome-captcha (fetched 2026-08-28T04:04:40.567140+00:00, sha 1c459251462e)
  - homepage: http://zyszys.github.io/awesome-captcha/ (fetched 2026-08-29T11:50:19.349248+00:00, sha 1e2578579ed4)
- Data as of 2026-08-30T08:39:29.467469+00:00.