Spam Check - A free JSON API to check your email messages' spam scores
Rename Email - Easily change the subject of any email, by cloudHQ
Referrer Spam Remover - Remove spam bots from your Google Analytics data
WhoApp - Know who's calling before you answer
CanIPhish - Blend social engineering with real-world phishing simulations to train your users how to detect the most advanced threats.All in a completely self-service, fast, free and modern SaaS platform.
Rapid 2FA - A painless way to add two-factor authentication to your site