worldclock.me is described as 'Free web-based time zone converter and meeting planner for everyone. Display live clocks for thousands cities simultaneously. Visual timeline shows business hours across multiple time zones to find ideal meeting times. No registration required' and is a World Clock in the office & productivity category. There are more than 25 alternatives to worldclock.me, not only websites but also apps for a variety of platforms, including iPhone, iPad, Windows and Mac apps. The best worldclock.me alternative is timeanddate.com, which is free. Other great sites and apps similar to worldclock.me are MultiTime, World Time Buddy, Time Zone Pro and Time.is.