Cost / License
- Free
- Proprietary
Platforms
- Online


AuthKong is described as 'Smart captcha service designed to protect websites from spam and abuse while ensuring real users can pass through effortlessly. It offers a more user-friendly and effective alternative to traditional captcha systems like reCAPTCHA, featuring easy-to-use slider and' and is an website in the online services category. There are more than 10 alternatives to AuthKong, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, JavaScript and PHP apps. The best AuthKong alternative is Cap Captcha, which is both free and Open Source. Other great sites and apps similar to AuthKong are Anubis, reCAPTCHA, PrivateStater and hCaptcha.


NoBot CAPTCHA API is a developer-friendly alternative to Google reCAPTCHA that helps prevent automated bot traffic without compromising user privacy.






GeeTest protects your websites, mobile apps and APIs from bad bot attacks with zero user friction. Its self-learning defense model based on Graph Convolutional Networks and massive volumes of biometric data collected in the past 7 years allows GeeTest to identify and mitigate...




The Arkose Labs platform undermines the economic drivers behind fraud until perpetrators are compelled to abandon attacks. Real-time risk classification of traffic with interactive enforcement challenges, the solution defeats automated attacks...
