Top 23 Captcha Open-Source Projects

• buster

  15 4,803 4.4 JavaScript

  Captcha solver extension for humans

  Project mention: this bot calling out a user for stealing comments for upvotes and the guy trying to bail by deleting his comment | reddit.com/r/JusticeServed | 2022-04-09

• undetected-chromedriver

  10 1,978 7.0 Python

  Custom Selenium Chromedriver | Zero-Config | Passes ALL bot mitigation systems (like Distil / Imperva/ Datadadome / CloudFlare IUAM)

  Project mention: How does to by pass a website which before opening checks whether the user is a bot or not ? | reddit.com/r/selenium | 2022-05-21

  You use Undetected Chromedriver.

• SonarLint

  www.sonarlint.org

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• recaptcha

  1 1,847 6.3 Ruby

  ReCaptcha helpers for ruby apps (by ambethia)

  Project mention: help with setting CSP on ruby on rails | reddit.com/r/devsecops | 2022-03-24

  hello! I'm pretty bad with ruby on rails and have a lot of trouble setting CSP. Just can't seem to get away without: `default_src :unsafe_inline` and `script_src :unsafe_inline``. Also the recaptcha v3 that we have to use at work is not helping: https://github.com/ambethia/recaptcha/issues/386. Nobody at work can seem to help with this issue at all. Looking for any help, please! Much appreciated, thanks!

• captcha

  1 1,579 0.0 Go

  Go package captcha implements generation and verification of image and audio CAPTCHAs. (by dchest)

  Project mention: We added CAPTCHA to the name registration flow | reddit.com/r/ubikom | 2021-12-29

  Check it out! By the way, it's 100% self-hosted, and Google-free, based on the excellent Golang CAPTCHA library: https://github.com/dchest/captcha. While you are there, try the audio version - trippy!

• no-captcha

  2 1,542 1.7 PHP

  No CAPTCHA reCAPTCHA For Laravel.

  Project mention: Integrating Google re-Captcha In Laravel | dev.to | 2022-02-24

  The package that we will going to use: https://github.com/anhskohbo/no-captcha

• base64Captcha

  0 1,447 2.1 Go

  captcha of base64 image string

• svg-captcha

  1 1,441 0.0 JavaScript

  generate svg captcha in node

  

  Project mention: Decode captcha created by library svg-captcha | dev.to | 2021-06-06

  The Cowin portal set up for booking vaccination slots in India has (had?) a captcha to make sure bots are not able to book slots. They used an open source library called svg-captcha to generate the captcha.

• Scout APM

  scoutapm.com

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• django-simple-captcha

  2 1,236 5.9 Python

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

  Project mention: Do you guys use reCaptcha (or a similar system)? Which version/product do you use? | reddit.com/r/django | 2021-10-02

  I developed and maintain django-simple-captcha, which makes it dead simple to add captchas to any Django form.

• challenge-bypass-extension

  11 968 7.7 TypeScript

  Privacy Pass: a privacy-enhancing protocol and browser extension.

  

  Project mention: Privacy Pass | reddit.com/r/CKsTechNews | 2022-05-21

• invisible_captcha

  1 930 1.4 Ruby

  :honey_pot: Unobtrusive and flexible spam protection for Rails apps

  Project mention: Rails application boilerplate for fast MVP development | dev.to | 2021-08-06

  add invisible_captcha

• PHPAuth

  1 835 5.2 PHP

  PHPAuth is a secure PHP Authentication class that easily integrates into any site.

  

  Project mention: Alternatives for passwordless login like Magiclink? | reddit.com/r/PHP | 2022-01-05

• lc-core

  3 350 9.1 Scala

  The LibreCaptcha framework, for self-hosted, privacy respecting CAPTCHAs

  

  Project mention: Coracle - Kotlin based Processing clone | reddit.com/r/Kotlin | 2022-04-28

  Compared to OpenRndr this looks simpler to get started with. What is your plan for supporting JVM? If it can render to a BufferedImage, I would like to use it for creating CAPTCHA designs. (The rain drop example reminded me of the rain drop CATPCHA in this project )

• authx

  5 299 9.2 Python

  Ready to use and Customizable Authentications and Authorisations Management for FastAPI ⚡

  Project mention: Generic OIDC providers with FastAPI | reddit.com/r/FastAPI | 2022-04-08

  Hi guys, is there a package in FastAPI that supports all generic OpenID connect providers? i've been trying to use AuthenticationX but the tutorial isn't explanatory enough. can i get recommendations?

• friendly-challenge

  1 284 7.3 TypeScript

  The widget and docs for the proof of work challenge used in Friendly Captcha. Protect your websites and online services from spam and abuse with Friendly Captcha, a privacy-first anti-bot solution.

  

  Project mention: Business owners with contact me website pages: What is your "self host" captcha solution? | reddit.com/r/selfhosted | 2022-02-14

  I'm personally looking forward to using FriendlyCaptcha or something of that sort, that does a small PoW calculation.

• recaptcha-module

  1 210 3.6 JavaScript

  🤖 Simple and easy Google reCAPTCHA integration with Nuxt.js

  

  Project mention: When to reset recaptcha and when to not? | reddit.com/r/node | 2022-03-07

  I am using nuxt/recaptcha module and have a login form

• react-hcaptcha

  0 197 7.7 JavaScript

  hCaptcha Component Library for ReactJS

  

• python-anticaptcha

  1 186 4.3 Python

  Client library for solve captchas with Anticaptcha.com support.

  Project mention: ¿Cómo resolver captcha mientras se raspa la web? | reddit.com/r/u_melisaxinyue | 2021-08-11

• Raid-Protect-Discord-Bot

  1 170 5.1 Python

  A Discord Bot that allows you to protect your Discord server with captcha, anti profanity, anti nudity image, anti spam, account age required, logs...

  Project mention: Discord Bot that allows you to protect your Discord server with captcha, anti profanity, anti nudity image, anti spam, account age required, logs... | reddit.com/r/coolgithubprojects | 2021-09-02

• 2captcha-python

  10 168 3.7 Python

  Python 3 package for easy integration with the API of 2captcha captcha solving service to bypass recaptcha, hcaptcha, funcaptcha, geetest and solve any other captchas.

  Project mention: BYPASSING CAPTCHAS: IS 2CAPTCHA THE BEST CAPTCHA SOLVER FOR BYPASSING CAPTCHAS? | dev.to | 2022-05-23

  2captcha is a program for solving captchas. It spares us all the heartaches by solving captchas using human intelligence. Some humans are on standby waiting to solve your captchas. It delivers solved captchas fast and takes less than 12 seconds. It is extremely affordable too, costs 0.5 dollars for 1000 solved captchas.

• DNTCaptcha.Core

  2 166 6.3 SCSS

  DNTCaptcha.Core is a captcha generator and validator for ASP.NET Core applications

  Project mention: .NET 5 Generate Captcha image | reddit.com/r/csharp | 2022-02-19

  I've looked at DNTCaptcha but it seems to be in the same situation as Edi.Captcha.

• friendly-pow

  1 158 2.5 TypeScript

  The PoW challenge library used by Friendly Captcha

  

  Project mention: Business owners with contact me website pages: What is your "self host" captcha solution? | reddit.com/r/selfhosted | 2022-02-14

  It kinda does? Here's the puzzle creator library: https://github.com/FriendlyCaptcha/friendly-pow

• shellfirm

  13 155 9.1 Rust

  Intercept any risky patterns (default or defined by you) and prompt you a small challenge for double verification

  Project mention: Shellfirm is a handy utility to help avoid running dangerous commands with an extra approval step. You will immediately get a small prompt challenge that will double verify your action when risky patterns are detected. | reddit.com/r/commandline | 2022-01-12

• SliderCaptcha

  2 139 1.2 JavaScript

  Slider captcha support mobile

  Project mention: I want to integrate Captcha on some of the pages in my self hosted applications. Can you suggest a self hosted Captcha solution ? I don't want to use Google Recaptcha or route my pages thru Cloudflare. | reddit.com/r/selfhosted | 2022-04-06

  SliderCaptcha

Captcha related posts

• Privacy Pass
  1 project | reddit.com/r/CKsTechNews | 21 May 2022
• Firefox appears to be flagged as suspicious by Cloudflare
  4 projects | news.ycombinator.com | 21 May 2022
• Coracle - Kotlin based Processing clone
  3 projects | reddit.com/r/Kotlin | 28 Apr 2022
• this bot calling out a user for stealing comments for upvotes and the guy trying to bail by deleting his comment
  2 projects | reddit.com/r/JusticeServed | 9 Apr 2022
• I want to integrate Captcha on some of the pages in my self hosted applications. Can you suggest a self hosted Captcha solution ? I don't want to use Google Recaptcha or route my pages thru Cloudflare.
  7 projects | reddit.com/r/selfhosted | 6 Apr 2022
• Bypassing Captcha?
  1 project | reddit.com/r/degoogle | 18 Mar 2022
• Integrating Google re-Captcha In Laravel
  1 project | dev.to | 24 Feb 2022

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