Clocker

Clocker turns the Mac menu bar into a timezone command center — track friends, colleagues, and meetings across the world, with a calendar that overlays everyone's local time on your own.

Why it makes the list

Coordinating across timezones usually means mental math or a browser tab full of world-clock widgets. Clocker keeps a permanent, ad-free list of cities in the menu bar, complete with sunrise/sunset shading and a time-scroller so you can preview any future moment across every timezone at once.

Standout features

• Menu bar timezone list — add any city and see its current time at a glance
• Time Scroller — drag to preview a future time across all timezones simultaneously
• Calendar integration — events show their local time for each tracked city
• Custom labels and flags — tag timezones with names like "Mom" or "HQ"
• Dark mode and Touch Bar support — fits natively into the rest of macOS
• No ads, no tracking — a straightforward utility, not a funnel

Pricing

Completely free and open source (GPL v3).