Apps similar to Arkose Labs include Cap Captcha, which is free and open source. Other options are reCAPTCHA, Procaptcha, hCaptcha and IronWall. You can choose from more than 10 Anti-Spam Tools like Arkose Labs for the web, self-hosting and Linux.
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.
Estonia
EU
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...
China
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.
Mexico
Privacy-first, self-hosted CAPTCHA for the modern web. No Google. No telemetry. No visual puzzles. Protect your software from bots without handing over your users' data to a third party.
Mexico
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.
United States
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.
United States
