Time Buddy - Time Buddy brings a colorful world clock.
Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.
Time Zones Converter - Time Zones Converter is an application which as the name implies, is used for converting time zones.
SpotMenu - Spotify and iTunes in your macOS menu bar
World Clock - World Clock is an app that lets you see the time of any city in the world.
OpenPhone - Simplest way to own a business phone number