reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Symantec Data Loss Prevention - Fully protect your data with the comprehensive detection technologies and unified policies of Symantec's industry leading Data Loss Prevention (DLP).
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.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
scr.im - Don't share your email on public sites.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.