PuTTY - Popular free terminal application. Mostly used as an SSH client.
Fliqlo Screensaver - A screensaver that displays the time using a flip clock.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Padbury Clock Screensaver - Minimal screensaver for Mac
iTerm2 - A terminal emulator for macOS that does amazing things.
XScreenSaver - XScreenSaver is the standard screen saver collection shipped on most Linux and Unix systems running...