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Top 23 Captcha Open-Source Projects
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undetected-chromedriver
Custom Selenium Chromedriver | Zero-Config | Passes ALL bot mitigation systems (like Distil / Imperva/ Datadadome / CloudFlare IUAM)
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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captcha
Go package captcha implements generation and verification of image and audio CAPTCHAs. (by dchest)
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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go-captcha
๐ Go Captcha is a behavioral captcha, which implements the generation of random verification text and the verification of click position information.
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django-simple-captcha
Django Simple Captcha is an extremely simple, yet highly customizable Django application to add captcha images to any Django form.
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challenge-bypass-extension
DEPRECATED - Client for Privacy Pass protocol providing unlinkable cryptographic tokens
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shellfirm
Intercept any risky patterns (default or defined by you) and prompt you a small challenge for double verification
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captcha_recognize
Image Recognition captcha without image segmentation ๆ ้ๅพ็ๅๅฒ็้ช่ฏ็ ่ฏๅซ
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friendly-challenge
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.
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opensea-automatic-bulk-upload-and-sale
A Selenium Python bot to automatically and bulk upload/ mint and list your NFTs on OpenSea. All metadata compatible, Ethereum and Polygon blockchains supported, reCAPTCHA solvers included.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
This command-line tool clicks ads for a certain query on Google/Bing search using undetected_chromedriver package. Supports proxy, running multiple simultaneous browsers, ad targeting/exclusion, and running in loop.
Project mention: AI bots are now better than humans at decoding CAPTCHAs | news.ycombinator.com | 2023-08-17The captcha buster extension[^0] along with the service on you computer to move the mouse for you works very very well. It uses googleโs TTS (afaik) to transcribe the audio captcha. Itโs google verifying another google service works well. I find it very satisfying to not provide my labor to train googles computer vision corpus but instead have the snake bite itโs own tail.
Anyway, I highly recommend buster, I barely notice captchas anymore with it.
[^0]: https://github.com/dessant/buster
Project mention: So much for CAPTCHA then โ bots can complete them quicker than humans | news.ycombinator.com | 2023-08-16What about proof of work based CAPTCHA like https://github.com/mCaptcha/mCaptcha ? Since CAPTCHAs can be solved by bots, at least make it more costly for them.
Project mention: Flagship Mastodon instance to require AI disclosure; bans AI-only accounts | news.ycombinator.com | 2024-03-18I'd be fine if "ID for the web" was implemented with privacypass https://privacypass.github.io/
It may be helpful here to be specific about which "PHPAuth" project you're talking about. A quick google brings up at least 2 projects with similar names - https://github.com/PHPAuth/PHPAuth and https://github.com/delight-im/PHP-Auth - the latter has a recently opened issue about encryption of PII
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Captcha related posts
- Flagship Mastodon instance to require AI disclosure; bans AI-only accounts
- Cloudflare verification not working
- AI bots are now better than humans at decoding CAPTCHAs
- So much for CAPTCHA then โ bots can complete them quicker than humans
- Privacy Pass: A privacy-enhancing protocol and browser extension
- Apple already shipped attestation on the web, and we barely noticed
- A privacy-enhancing protocol and browser extension
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A note from our sponsor - WorkOS
workos.com | 26 Apr 2024
Index
What are some of the best open-source Captcha projects? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | undetected-chromedriver | 8,066 |
| 2 | buster | 6,971 |
| 3 | base64Captcha | 1,999 |
| 4 | recaptcha | 1,950 |
| 5 | captcha | 1,860 |
| 6 | svg-captcha | 1,802 |
| 7 | no-captcha | 1,744 |
| 8 | mCaptcha | 1,563 |
| 9 | go-captcha | 1,366 |
| 10 | django-simple-captcha | 1,361 |
| 11 | challenge-bypass-extension | 1,238 |
| 12 | invisible_captcha | 1,123 |
| 13 | PHPAuth | 877 |
| 14 | shellfirm | 725 |
| 15 | rucaptcha | 686 |
| 16 | securimage | 563 |
| 17 | captcha_recognize | 547 |
| 18 | lc-core | 392 |
| 19 | friendly-challenge | 386 |
| 20 | react-hcaptcha | 340 |
| 21 | opensea-automatic-bulk-upload-and-sale | 327 |
| 22 | SliderCaptcha | 261 |
| 23 | Humanizer | 258 |
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