Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
ContactRescue - Magically get your address book up-to-date and accurate
GrexIt - Manage Tasks, Customer Support and Sales right from your Gmail inbox. Turn your Gmail into a powerful collaboration tool.
Wall Of Me - Wall of me: all your favorite socials in a single place.
New Gmail - The new version of Gmail web
Clearbit Connect - Clearbit Connect is a free extension that surfaces actionable information on the people who email you.