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Awesome Captcha

Curated list of awesome captcha libraries and crack tools.

Here you can see meta information about this topic like the time we last updated this page, the original creator of the awesome list and a link to the original GitHub repository.

Last Update: None

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ZYSzys/awesome-captcha

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Libraries

Captcha for Laravel 5/6/7/8

1.85K
353
9m
n/a

PHP Captcha library

1.3K
219
1y 7m
MIT

A Lightweight Pure JavaScript Captcha for Node.js. No C/C++, No ImageMagick, No Canvas.

359
30
3y 98d
MIT

PHP client library for reCAPTCHA, a free service to protect your website from spam and abuse.

2.9K
719
1y 61d
BSD-3-Clause

ReCaptcha helpers for ruby apps

1.77K
391
8m
MIT

No CAPTCHA reCAPTCHA For Laravel.

1.3K
191
1y 75d
MIT

Universal python API to captcha solving services

142
28
2y 7m
Unknown

Generation

Go package captcha implements generation and verification of image and audio CAPTCHAs.

1.23K
224
1y 60d
MIT

A captcha library that generates audio and image CAPTCHAs.

657
137
1y 5m
BSD-3-Clause

generate svg captcha in node

1.17K
116
1y 91d
MIT

node.js generate captcha using c++ library CImg without install any other lib or software

479
83
2y 88d
Unknown

Captcha generation for NodeJS

156
33
2y 11m
MIT

Custom ImageView to generate captcha image.

612
79
3y 9m
Apache-2.0

Swipe captcha of Android platform. Android 平台的滑动验证码。

673
138
2y 6m
Unknown

captcha of base64 and diversity

1.04K
174
1y 40d
n/a

A simple captcha service

23
2
1y 4m
BSD-2-Clause

A visual, click-based CAPTCHA for human authentication.

10
3
2y 25d
MIT

Slider captcha support mobile

63
20
1y 5m
Apache-2.0

Lightweight, self-hostable CAPTCHA service written in PHP 7 and MySQL. Uses a selection of icons from Font-Awesome. Text-only accessibility mode and support for keyboard-only operation.

Open-source free PHP Captcha script.

General

Breaking captchas using torch

172
74
5y 9m
Unknown

implement classification for CAPTCHA in TensorFlow

55
22
3y 11m
Unknown

captcha break based on opencv2, tesseract-ocr and some machine learning algorithm.

644
212
2y 11m
MIT

验证码识别

1.8K
534
1y 5m
MIT

simple CAPTCHA solver in python

405
111
3y 9m
MIT

Solve captcha without manually labeling a training set

395
79
4y 83d
Unknown

Reading irctc captchas with 98% accuracy using deep learning

203
43
1y 76d
Unknown

Image Captcha Solving Using TensorFlow and CNN Model. Accuracy 90%+

601
200
1y 8m
MIT

CNN | Keras/PyTorch | CAPTCHA recognition(卷积神经网络、Keras/PyTorch框架、验证码识别)

249
96
1y 11m
MIT

Image Recognition captcha without image segmentation 无需图片分割的验证码识别

421
144
4y 114d
Apache-2.0

use svm to hack simple captcha

188
87
4y 61d
Unknown

卷积神经网络实现的验证码识别

132
47
1y 8m
Unknown

Canny算子边缘检测识别滑动验证码

115
31
4y 114d
Unknown

實作基於CNN的台鐵訂票驗證碼辨識以及透過模仿及資料增強的訓練集產生器 (Simple captcha solver based on CNN and a training set generator by imitating the style of captcha and data augmentation)

617
135
3y 87d
Apache-2.0
226
85
5y 4m
MIT

Defeating Google's audio reCaptcha with 85% accuracy.

2.66K
332
3y 8m
MIT

Captcha solver extension for humans

2.66K
197
1y 55d
GPL-3.0

[验证码识别-训练] This project is based on CNN/ResNet/DenseNet+GRU/LSTM+CTC/CrossEntropy to realize verification code identification. This project is only for training the model.

1.39K
410
1y 81d
Apache-2.0

Chinese

learn code with tensorflow

1.1K
578
2y 5m
n/a

CNN在线识别手写中文。

322
103
1y 10m
MIT

This project shows how to use CNN to perform Chinese character recognition, a much more complicated task compared to MNIST digit recognition.

183
85
4y 5m
Unknown

者也 - 知乎 倒立的文字 汉字验证码识别程序

713
210
1y 8m
Unknown

基于深度学习的12306验证码识别

250
102
2y 52d
Apache-2.0

use cnn recognize captcha by tensorflow. 本项目针对字符型图片验证码,使用tensorflow实现卷积神经网络,进行验证码识别。

1.65K
530
1y 6m
Apache-2.0

Tools

Tesseract Open Source OCR Engine (main repository)

36.14K
6.71K
1y 51d
Apache-2.0

MotionCAPTCHA jQuery Plugin - Stop Spam, Draw Shapes

835
123
10y 62d
Unknown

A plugin to make the process of creating a negative captcha in Rails much less painful

771
74
3y 9m
MIT

Django Simple Captcha is an extremely simple, yet highly customizable Django application to add captcha images to any Django form.

1.08K
289
1y 71d
MIT

PHP CAPTCHA Script

511
163
1y 4m
BSD-2-Clause

Universal python API to captcha solving services

142
28
2y 7m
Unknown

Other

visualCaptcha's Main Repo. This is a collection of all the different versions/repos of visualCaptcha.

403
38
3y 9m
Unknown

Generic javascript implementation of hashcash

30
4
10y 9m
Unknown