Alternatives to Clock Bar

System monitor for the menu bar

Menu bar calendar

Menu bar application that displays the CPU speed limit due to thermal issues

Menu bar timezone tracker and compact calendar

Utility to display the Dock in the Touch Bar

Clock and time zone app

Set of CPU, memory, disk, and network monitoring tools

Desktop clock rendered behind your icons

Shows the next meeting in the menu bar

Flip clock screensaver

Menu bar app that provides more control over Night Shift

Menu bar calendar