isbot-fast
JavaScript module detecting bots/crawlers/spiders via user-agent
angular-captcha
BotDetect CAPTCHA Angular Module (TypeScript: Angular 2/4/5/6/7/8+)
reactjs-captcha
BotDetect Captcha React Component (JavaScript: React 0.13.x/0.14.x/15/16+)
jquery-captcha
BotDetect Captcha jQuery Plugin (BotDetect Captcha Simple API integration for all of the jQuery versions)