Rename Email - Easily change the subject of any email, by cloudHQ
DeepMail - Diligently sourced emails. Accurate emails for Startups and established companies
WhoApp - Know who's calling before you answer
TestSubject - Test how your email subject line displays on mobile devices.
Rapid 2FA - A painless way to add two-factor authentication to your site
PixelBlock - Block email open tracking inside of Gmail