Top 20 NuGet recaptcha Packages

Cloudflare JavaScript & ReCaptchaV2 challenge solving library (aka. *Under Attack Mode* bypass).
A simple, no-drama, reCAPTCHA validation library that works with ASP.NET Core, Razor Pages, MVC 5, and WebForms.
Simple API wrapper for https://anti-captcha.com/
Project to simplify ReCaptcha use with Support PROXY, ASP.NET MVC. All Languages supported. Readme on Github.
This is a helper library for google reCAPTCHA 2.0 Getting started guide: https://github.com/PaulMiami/reCAPTCHA/wiki/Getting-started Change log: https://github.com/PaulMiami/reCAPTCHA/wiki/Change-log
reCAPTCHA for .NET allows a developer to easily integrate Google's reCAPTCHA service (the most popular captcha control used by millions of sites) in an ASP.NET Web Forms or ASP.NET MVC web application. The primary features of the library are: * Renders recaptcha control with appropriate options. * ...
Google ReCaptcha wrapper class for quick and easy validation (injectable service for ASP.NET Core apps).
IHtmlHelper extension for Google's invisible reCaptcha. See the demo: http://demo.avassy.com/Avassy.AspNetCore.Mvc.InvisibleReCaptcha
Simple API wrapper for https://2captcha.com/
Google reCaptcha ASP.NET MVC
The new Invisible reCAPTCHA field helps protect your Umbraco Forms from bots without having to solve a CAPTCHA. We’re calling it the No CAPTCHA reCAPTCHA experience. To start using reCAPTCHA, you need to sign up for an API key pair for your site. The key pair consists of a site key and secret key. ...
The GoogleRecaptchaMvc is a .NET library used to create the html control of Google Recaptcha for asp.net mvc.
The GoogleRecaptchaWebForms is a .NET library used to create the server control of Google Recaptcha for asp.net web forms.
The GoogleRecaptcha is a .NET library used to integrate the Google Captcha into the web applications based upon the asp.net platform.
reCAPTCHA4net allows to easily integrate Google reCAPTCHA (the most popular CAPTCHA service) into ASP.NET web application (both Web Forms or ASP.NET MVC are supported). It supports updated reCAPTCHA API, which provides the No CAPTCHA experience.
Google Recaptcha middleware for OpenIdConnect (IdentityServer)
Native login throttling middleware for OpenIdConnect (IdentityServer)
ReCaptcha.NET provides a .NET wrapper library for Google's reCaptcha (http://google.com/recaptcha) API.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.