hCaptcha - Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
MTcaptcha - Enterprise Captcha solutions
Sketch - Professional digital design for Mac.
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.
Affinity Designer - Professional creative software, exclusively for Mac.