Time.is - exact time in any location
Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.
Every Time Zone - Online tool for keeping up with times around the world.
Standuply - Run daily standup meetings and track your metrics in Slack
timeanddate.com - Free Clock for your website or blog!
MeetNotes - Increase Productivity with Meeting Notes Tool. More effective minutes, Prepare Agenda, Collaborative Notes & Action Items.