TimeOut gently reminds you to take a break on a regular basis. For instance 10 minutes every hour, and 15 seconds every 15 minutes.
TimeProgress shows you what percentage of the current year, quarter, month, week or day has passed (or is remaining).
A macOS menu bar clock with a fully customizable date/time display and a calendar. Inspired by Day-O.
With Twizzy you can use Twitter DMs and tweet directly from you menu bar.
World Time In Words takes you away from numbers. This menu bar app displays your current time and date in words. Optionally, it can be set to display a number of time zones.