Stats - Simple macOS system monitor in your menu bar.
Baobab - Distributor of workload automation, financial statement reporting, data access, IT Asset Management and Service Desk software solutions.
Time Machine - Time Machine is the breakthrough automatic backup that’s built right into Mac OS X.
Filelight - Filelight is an application to visualize the disk usage on your computer.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Free Disk Space Monitor - Status bar app for macOS that shows the amount of free disk space left on the hard drive.