Cost / License
- Free
- Proprietary
Platforms
- Online


Arkose Labs is described as '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' and is an app. There are more than 10 alternatives to Arkose Labs for a variety of platforms, including Web-based, SaaS, Self-Hosted, PHP and Docker apps. The best Arkose Labs alternative is Cap Captcha, which is both free and Open Source. Other great apps like Arkose Labs are reCAPTCHA, Procaptcha, PrivateStater and hCaptcha.


TrustSig replaces traditional CAPTCHAs with deep device fingerprinting. Puzzles and checkboxes frustrate human visitors and damage conversion rates. We built a platform that extracts hardware telemetry to block bot traffic out-of-band.

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...




AuthKong is a 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...

HUMA is a behavioral bot detection API. One API call gives you a real-time human trust score (0-100) without CAPTCHAs, SDKs, or frontend changes. 14-day free trial.

Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture CAPTCHA that stops spam and bots. Download our free CAPTCHA security software today.






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




Fraud detection and prevention with traffic quality scoring, using visitor identification and anonymity detection with up to 99% accuracy. Stops multi-accounting, account sharing, fake signups and ad fraud.
