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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: Aug. 7, 2022, 10:14 p.m.

Thank you ZYSzys & contributors
View Topic on GitHub:
ZYSzys/awesome-captcha

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Libraries

Captcha for Laravel 5/6/7/8

1.97K
367
1y 108d
n/a

PHP Captcha library

1.45K
234
9m
MIT

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

393
41
4y 25d
MIT

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

3.12K
764
10m
BSD-3-Clause

ReCaptcha helpers for ruby apps

1.83K
410
11m
MIT

No CAPTCHA reCAPTCHA For Laravel.

1.47K
215
1y 11m
MIT

Universal python API to captcha solving services

167
30
1y 11m
n/a

Generation

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

1.47K
261
1y 5m
MIT

A captcha library that generates audio and image CAPTCHAs.

768
158
1y 7m
BSD-3-Clause

generate svg captcha in node

1.38K
141
2y 18d
MIT

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

477
84
1y 7m
n/a

Captcha generation for NodeJS

167
35
3y 8m
MIT

Custom ImageView to generate captcha image.

611
84
4y 6m
Apache-2.0

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

696
138
3y 112d
n/a

captcha of base64 image string

1.34K
212
1y 20d
n/a

A simple captcha service

36
3
2y 65d
BSD-2-Clause

A visual, click-based CAPTCHA for human authentication.

22
4
2y 10m
MIT

Slider captcha support mobile

115
39
1y 6m
Apache-2.0

General

Breaking captchas using torch

173
79
6y 6m
n/a

implement classification for CAPTCHA in TensorFlow

60
23
4y 8m
n/a

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

679
223
3y 9m
MIT

验证码识别

2.22K
625
2y 83d
MIT

simple CAPTCHA solver in python

438
122
4y 7m
MIT

Solve captcha without manually labeling a training set

410
81
5y 10d
n/a

Reading irctc captchas with 98% accuracy using deep learning

204
44
2y 3d
n/a

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

731
230
10m
MIT

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

261
99
2y 8m
MIT

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

471
158
5y 41d
Apache-2.0

use svm to hack simple captcha

194
93
4y 11m
n/a

卷积神经网络实现的验证码识别

141
49
11m
n/a

Canny算子边缘检测识别滑动验证码

120
35
5y 41d
n/a

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)

669
152
10m
Apache-2.0
227
85
6y 49d
MIT

Defeating Google's audio reCaptcha with 85% accuracy.

2.71K
334
4y 6m
MIT

Captcha solver extension for humans

4.09K
357
9m
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.

2.16K
645
9m
Apache-2.0

Chinese

learn code with tensorflow

1.12K
576
3y 84d
n/a

CNN在线识别手写中文。

390
114
11m
MIT

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

194
84
5y 95d
n/a

者也 - 知乎 倒立的文字 汉字验证码识别程序

767
224
1y 5m
n/a

基于深度学习的12306验证码识别

259
104
2y 11m
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。

2.22K
702
11m
Apache-2.0

Tools

Tesseract Open Source OCR Engine (main repository)

42.52K
7.6K
9m
Apache-2.0

MotionCAPTCHA jQuery Plugin - Stop Spam, Draw Shapes

835
126
10y 11m
n/a

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

773
75
1y 74d
MIT

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

1.2K
299
10m
MIT

PHP CAPTCHA Script

533
171
9m
BSD-2-Clause

Universal python API to captcha solving services

167
30
1y 11m
n/a

Other

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

406
42
1y 113d
n/a

Generic javascript implementation of hashcash

35
4
11y 7m
n/a