scr.im - Don't share your email on public sites.

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.

Spamty - Spamty is a web service to encrypt an email address and share it on the internet.

Tinder - Tinder is how people meet. It's like real life, but better.

Humans Not Invited - CAPTCHA that filters out humans and only lets programs pass

Hinge - Find people you want to date through your friends on Facebook.