CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
CleanMyMac X - Clean, protect and speed up your Mac
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
WinZip System Utilities Suite - Top-rated PC utility software to clean, update, maintain and protect your PC for good. Free Download for Windows and Mac.
iTerm2 - A terminal emulator for macOS that does amazing things.