By Alvin Alexander. Last updated: February 17, 2021
Scala FAQ: Where are Coursier files stored on macOS?
Solution: The files Coursier downloads are located under this directory on macOS:
~/Library/Caches/Coursier
More specifically, in early 2021 they’re located under this directory:
~/Library/Caches/Coursier/v1
See the Coursier docs for more information.