go-captchaGo Captcha is a behavioral captcha, which implements the generation of random verification text and the verification of click position information.
captcha-generatorAn NPM package to generate captcha images that can be used in Discord bots or various other projects
Raid-Protect-Discord-BotA Discord Bot that allows you to protect your Discord server with captcha, anti profanity, anti nudity image, anti spam, account age required, logs...
captchaGo package captcha generation and verification of image, Refer from https://github.com/dchest/captcha. Use captcha pool generation
cs-wordpress-bouncerCrowdSec is an open-source cyber security tool. This plugin blocks detected attackers or display them a captcha to check they are not bots.