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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: Jan. 16, 2022, 7:17 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
9m
n/a

PHP Captcha library

1.45K
234
74d
MIT

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

393
41
3y 6m
MIT

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

3.12K
764
105d
BSD-3-Clause

ReCaptcha helpers for ruby apps

1.82K
408
4m
MIT

No CAPTCHA reCAPTCHA For Laravel.

1.47K
215
1y 4m
MIT

Universal python API to captcha solving services

167
30
1y 4m
n/a

Generation

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

1.47K
261
10m
MIT

A captcha library that generates audio and image CAPTCHAs.

768
158
1y 20d
BSD-3-Clause

generate svg captcha in node

1.38K
141
1y 6m
MIT

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

477
84
1y 31d
n/a

Captcha generation for NodeJS

167
35
3y 59d
MIT

Custom ImageView to generate captcha image.

611
84
3y 12m
Apache-2.0

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

696
138
2y 9m
n/a

captcha of base64 image string

1.32K
208
6m
n/a

A simple captcha service

36
3
1y 7m
BSD-2-Clause

A visual, click-based CAPTCHA for human authentication.

22
4
2y 114d
MIT

Slider captcha support mobile

115
39
1y 3d
Apache-2.0

General

Breaking captchas using torch

173
79
6y 4d
n/a

implement classification for CAPTCHA in TensorFlow

60
23
4y 62d
n/a

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

679
223
3y 73d
MIT

验证码识别

2.22K
625
1y 8m
MIT

simple CAPTCHA solver in python

438
122
4y 14d
MIT

Solve captcha without manually labeling a training set

410
81
4y 5m
n/a

Reading irctc captchas with 98% accuracy using deep learning

204
44
1y 5m
n/a

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

731
230
103d
MIT

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

261
99
2y 61d
MIT

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

471
158
4y 6m
Apache-2.0

use svm to hack simple captcha

194
93
4y 5m
n/a

卷积神经网络实现的验证码识别

141
49
4m
n/a

Canny算子边缘检测识别滑动验证码

120
35
4y 6m
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
106d
Apache-2.0
227
85
5y 7m
MIT

Defeating Google's audio reCaptcha with 85% accuracy.

2.71K
334
3y 11m
MIT

Captcha solver extension for humans

4.09K
357
76d
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
87d
Apache-2.0

Chinese

learn code with tensorflow

1.12K
576
2y 8m
n/a

CNN在线识别手写中文。

390
114
4m
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
4y 8m
n/a

者也 - 知乎 倒立的文字 汉字验证码识别程序

767
224
10m
n/a

基于深度学习的12306验证码识别

259
104
2y 4m
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
4m
Apache-2.0

Tools

Tesseract Open Source OCR Engine (main repository)

42.52K
7.6K
74d
Apache-2.0

MotionCAPTCHA jQuery Plugin - Stop Spam, Draw Shapes

835
126
10y 5m
n/a

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

773
75
7m
MIT

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

1.2K
299
104d
MIT

PHP CAPTCHA Script

533
171
94d
BSD-2-Clause

Universal python API to captcha solving services

167
30
1y 4m
n/a

Other

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

406
42
9m
n/a

Generic javascript implementation of hashcash

35
4
11y 22d
n/a