Cloudflare Turnstile

hCaptcha is an innovative anti-bot solution that prioritizes user privacy while rewarding website owners. It offers a CAPTCHA service that is more privacy-friendly than traditional options, and provides a unique model where websites can earn revenue from the computational work done by users solving CAPTCHAs.

Imunify360 is a comprehensive security platform designed for Linux web servers. It utilizes machine learning technology and other advanced techniques to provide robust protection against various cyber threats, including malware, viruses, and other types of attacks, ensuring the integrity and performance of web hosting environments.

Slider Captcha is a free service that helps protect websites from spam and abuse.

Friendly Captcha is an innovative proof-of-work based CAPTCHA alternative where the user's device performs computational work to prove humanity. This approach provides effective bot protection while offering a seamless, accessible user experience without traditional CAPTCHA challenges.

DDoS-Guard is a Russian Internet infrastructure company that provides a range of services including DDoS protection, content delivery network (CDN) services, and web hosting. Their solutions help websites and online services maintain availability and performance in the face of distributed denial-of-service attacks.