Captcheck is described as 'Open source reCAPTCHA alternative'. There are eight alternatives to Captcheck for Online / Web-based, SaaS and Self-Hosted solutions. The best alternative is reCAPTCHA, which is free. Other great apps like Captcheck are hCaptcha (Freemium), Friendly Captcha (Freemium, Open Source), visualCaptcha (Free, Open Source) and GeeTest CAPTCHA (Paid).
- 8 alternatives
- A configurable captcha solution, focusing on accessibility & simplicity whilst maintaining security. View 12 alternatives to visualCaptcha
As from Dec 26, 2016: Please note visualCaptcha is no longer actively developed. It still works and should continue to, but it won't be improved by the initial team anymore. ...
- Free • Open Source
- 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. View 13 alternatives to Arkose Labs
- Paid • Proprietary
- Software as a Service (SaaS)