Private Party - The underground party that stops tech giants from creeping.
scr.im - Don't share your email on public sites.
Adblock Plus - AdBlock Plus is a browser extension for Firefox, Chrome, Opera, and several other popular browsers that prevents intrusive ads like pop-ups and malicious code from appearing on websites you visit.
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Kameleo - Avoid browser fingerprinting and use virtual profiles.
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.