reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Animista - Create beautiful CSS animations in your browser
scr.im - Don't share your email on public sites.
Glassmorphism - A modern CSS UI library based on glassmorphism
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.
Glass UI Generator - CSS generator for glassmorphism