Bumble - Bumble is a social network that allows you to feel empowered while you make those connections, whether you’re dating, looking for friends, or growing your professional network. One first move on Bumble could change your life.
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Tinder - Tinder is how people meet. It's like real life, but better.
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.
Hinge - Find people you want to date through your friends on Facebook.
scr.im - Don't share your email on public sites.