Here is a random selection of useful things I've found on the macOS that make development easier. Enjoy!
- memory clean
- activity monitor
- monosnap screen & vidcaps
- disk utilities - repair permissions.
Various
CMD + H to hide the current app
echo 'export PATH="/usr/local/sbin:$PATH"' >> ~/.bash_profile
multi-select in PHPStorm: cmd-Opt-Shift-A
option (or alt) click on the speaker icon top right to control sound source & dest