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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: Dec. 5, 2020, 12:06 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

1.79K
338
32d
n/a

PHP Captcha library

1.3K
219
8m
MIT

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

359
30
2y 4m
MIT

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

2.9K
719
107d
BSD-3-Clause

ReCaptcha helpers for ruby apps

1.75K
389
43d
MIT

No CAPTCHA reCAPTCHA For Laravel.

1.3K
191
4m
MIT

Universal python API to captcha solving services

142
28
1y 9m
Unknown

Generation

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

1.23K
224
106d
MIT

A captcha library that generates audio and image CAPTCHAs.

657
137
6m
BSD-3-Clause

generate svg captcha in node

1.17K
116
4m
MIT

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

479
83
1y 4m
Unknown

Captcha generation for NodeJS

156
33
2y 16d
MIT

Custom ImageView to generate captcha image.

612
79
2y 10m
Apache-2.0

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

673
138
1y 7m
Unknown

captcha of base64 and diversity

979
164
86d
n/a

A simple captcha service

23
2
6m
BSD-2-Clause

A visual, click-based CAPTCHA for human authentication.

10
3
1y 71d
MIT

Slider captcha support mobile

63
20
7m
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
4y 10m
Unknown

implement classification for CAPTCHA in TensorFlow

55
22
3y 19d
Unknown

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

644
212
2y 30d
MIT

验证码识别

1.8K
534
6m
MIT

simple CAPTCHA solver in python

405
111
2y 11m
MIT

Solve captcha without manually labeling a training set

395
79
3y 4m
Unknown

Reading irctc captchas with 98% accuracy using deep learning

203
43
4m
Unknown

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

601
200
9m
MIT

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

249
96
1y 18d
MIT

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

421
144
3y 5m
Apache-2.0

use svm to hack simple captcha

188
87
3y 107d
Unknown

卷积神经网络实现的验证码识别

132
47
10m
Unknown

Canny算子边缘检测识别滑动验证码

115
31
3y 5m
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
2y 4m
Apache-2.0
226
85
4y 5m
MIT

Defeating Google's audio reCaptcha with 85% accuracy.

2.66K
332
2y 10m
MIT

Captcha solver extension for humans

2.66K
197
101d
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
4m
Apache-2.0

Chinese

learn code with tensorflow

1.1K
578
1y 6m
n/a

CNN在线识别手写中文。

322
103
12m
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
3y 7m
Unknown

者也 - 知乎 倒立的文字 汉字验证码识别程序

713
210
10m
Unknown

基于深度学习的12306验证码识别

250
102
1y 98d
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
8m
Apache-2.0

Tools

Tesseract Open Source OCR Engine (main repository)

36.14K
6.71K
97d
Apache-2.0

MotionCAPTCHA jQuery Plugin - Stop Spam, Draw Shapes

835
123
9y 108d
Unknown

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

771
74
2y 11m
MIT

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

1.08K
289
117d
MIT

PHP CAPTCHA Script

511
163
6m
BSD-2-Clause

Universal python API to captcha solving services

142
28
1y 9m
Unknown

Other

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

403
38
2y 10m
Unknown

Generic javascript implementation of hashcash

30
4
9y 11m
Unknown