Caffeinate
Prevent the system from sleeping on behalf of a utility.
Ditto
Useful in copying large amounts of data as it can run within a Terminal window that contains more useful information about its progress than the more traditional Finder copy window.
Firmwarepasswd
Tool for setting and removing firmware passwords on a system.
ipconfig
View and control IP configuration state.
networkQuality
Network quality testing tool.
Powermetrics
Gather and display CPU usage statistics (divided into time spent in user mode and supervisor mode).
Scutil
Interactive access to the dynamic store.
Security
Administer Keychains, keys, certificates and the Security framework.
sha2
Open source implementation of the SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512 secure has algorithms.
Softwareupdate
Check for new and updated versions of your software based on information about your computer and current software.
Spctl
SecAssessment system policy security.
System_Profiler
Reports system hardware and software configuration.
Tweaks
Tweaks for the macOS environment that can be helpful for your daily use.