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Questions tagged [captcha]

The tag has no usage guidance.

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0answers
9 views

Object detection dataset generation captcha

Is there a pre-existing CAPTCHA library that I can use to build my object detection dataset for machine learning? I want to do what Google did with reCaptcha. I am not trying to solve captchas, or ...
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0answers
16 views

App or service that blocks robocallers

I tried RoboKiller but it didn't work and I still received robo calls, 3 on the first day. It blocked 0 robo calls during my 6 days of trial. It is ineffective because it uses white lists and black ...
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1answer
30 views

Captcha library that doesn't need to load a new page?

I am using this PHP captcha tool on my website: https://web.archive.org/web/20060703144957/http://www.white-hat-web-design.co.uk/articles/php-captcha.php After filling out a form, and depending on ...
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2answers
68 views

Captcha or other tool to check for human user

As Mailhide will be discontinued (to my understanding in Feb 2018), I need a new tool/service to check whether a human user wants to obtain the email address of an employee on our website. Key ...
4
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1answer
158 views

reCaptcha alternative

I am looking for an open source, or privacy conscious alternative to reCaptcha. Or any other bot protection for web forms. Preferably in PHP or JavaScript. At a minimum, free and not Google.
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1answer
64 views

Free CAPTCHA plugin for WordPress

I started a WordPress blog a while ago and for the past month or so, I have been the target of comment spam. The most obvious solution? Use CAPTCHA against bots. Google has recently updated its ...
4
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1answer
4k views

Simple CAPTCHA for AngularJS

I am looking for CAPTCHA implementation or configuration in AngularJS project without using the reCAPTCHA concepts.
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0answers
82 views

CAPTCHA for MediaWiki [closed]

I read this about ReCaptcha: Unfortunately, as of 2011, some spammers appear to have figured out a way to bypass it, either through character recognition or by using humans. For that reason, it ...