Time Buddy - Time Buddy brings a colorful world clock.
Worklife Slackbot - Your personal meeting assistant, in Slack
Time Zones Converter - Time Zones Converter is an application which as the name implies, is used for converting time zones.
Meetingbird - Powerful meeting scheduling and notes — right in your calendar
World Clock - World Clock is an app that lets you see the time of any city in the world.
RemoteStandups - Join others and organise remote standup meetings together