Top 20 NuGet captcha Packages

BotDetect CAPTCHA Generator protects ASP.NET/Core forms from spam. The Captcha protection is available on .NET/Core for jQuery, Angular & React frontends and ASP.NET MVCCore, MVC1-5, WebForms & WebPages backends. It works in China; doesn't stalk; nor does it slurp your form-data -- think: GDPR & LGP...
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.
Experience is a useful, clean and fast functions library for .NET Projects. You can find the project wiki here: https://github.com/bkarababa/Experience
CaptchaMvc will implement your web MVC applications easier and more reliable protection. Features: You can easily change or extend the current implementation of the captcha. By default there are two types of captcha, plain and mathematical. Supports MVC 3, MVC 4, MVC 5. Supports for storing captcha...
Simple API wrapper for https://anti-captcha.com/
This is helper build of the BotDetect CAPTCHA nuget meant to be used ONLY with ASP.NET Core code running on top of legacy 4.5.1+ .NET frameworks. For the legacy ASP.NET code on legacy .NET, or for ASP.NET Core code on .NET Core frameworks you have to use our main CAPTCHA nuget. For the descriptio...
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
Nice simple library for https://anti-captcha.com/ API.
Generate and Validate Captcha Images in ASP.NET Core
DNTCaptcha.Core is a captcha generator and validator for ASP.NET Core applications.
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. * ...
DotNetCore.Kit.Captcha
Simple API wrapper for https://2captcha.com/
Google reCaptcha ASP.NET MVC
Extensions for ASP.NET MVC3 (razor) site project with some htmlhelpers, scripts managment (for exsample, better placement), content extensions. Extension create a new layout file in shared folder _LayoutExtended.cshtml with better placed scripts.
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.