Simple negative captcha for Rails

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

Simple negative captcha for Rails

A captcha solver (only for easy ones) gem

Rails extension for Cloudflare's Turnstile CAPTCHA alternative. This gem should work with Rails 6.x and 7.x, and with Faraday 1.x and 2.x.

AntiCaptcha api ruby wrapper

Captcha library which uses imagemagick to create captchas

Metabypass | Ruby-based easy implementation for solving any type of captcha by Metabypass

Due to many unrequited complaints to the recaptcha team with regard to its unreadability for real human users, this gem offers a more readable selection of captcha images.

Russian Post tracking toolset, consisting tracking form bot (since Russian Post is too retarded for normal API) and captcha solver/recognizer.

RubyGem package for visualCaptcha's backend service

Simple reverse captcha solution that consist in create a hidden field that should be always empty.

SimpleCaptcha is the simplest and a robust captcha. Its implementation requires adding up a single line in views and in controllers/models. SimpleCaptcha is available to be used with Rails2.0 or above and also it provides the backward compatibility with previous versions of Rails.

Google reCaptcha helpers and verifier

SimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.

Use Turnstile by Cloudflare to perform captcha validation in your Rails app

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Ruby port of VIT AutoCaptcha

ReCaptcha implements view helpers to generate ReCaptcha code, with the noscript counterpart, required methods that interface with the HTTP API for captcha verification, a DSL to generate a before_filter and the code to implement AJAX captcha validation.

anti-captcha is a Ruby library for recognize captcha on anti-captcha.com