reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Appreiz - Employee engagement and social recognition platform
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.
SkillSurvey - SkillSurvey excels in online reference checking, sourcing and credentialing, providing immediately useful insights to help employers make better hiring decisions.
scr.im - Don't share your email on public sites.
EVA-REC - EVA-REC is a state-of-the-art hiring platform that enables you to recruit and hire in a smarter and faster way.