NetworkManager - NetworkManager is a set of co-operative tools that make networking simple and straightforward.
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.
wicd - Wicd is an open source wired and wireless network manager for Linux.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Wvdial - WvDial (pronounced "Weave Dial") is an easier way to connect to the internet.
Boomerang for Outlook - Boomerang for Outlook offers email productivity tools to track, schedule and send mails at the right time.