Outlook4Gmail - Outlook4Gmail provides easy synchronization of your Outlook and Google accounts
Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
Boomerang for Outlook - Boomerang for Outlook offers email productivity tools to track, schedule and send mails at the right time.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Aryson Outlook PST Repair - MS Outlook PST File Repair tool helps to restore Outlook email data from corrupted or unreadable PST file and save them into a new readable PST file.
BlueMail - BlueMail is an email management app for Android, iOS, and Windows.