Worked on this a few months ago but have finally gotten around to cleaning it up for open source release and setting up a pipeline to build the .dmg.
I built this for two reasons, (1) I (used to) work with people from many timezones, and (2) macOS used to include flags of the current keyboard set, which I liked, but was removed [1]. I liked seeing a flag on my menu bar so I combined my two wants to make this app. It was also an exercise to build a native macOS app.
It's lightweight (~36 MB of memory usage), free, and open source.
[1] https://www.reddit.com/r/MacOS/comments/urtz0m/country_flags...
