PuTTY - Popular free terminal application. Mostly used as an SSH client.
RealTerm - RealTerm is a terminal program specially designed for capturing, controlling and debugging binary...
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
GtkTerm - Gtkterm is a simple GTK+ terminal used to communicate with a serial port.
iTerm2 - A terminal emulator for macOS that does amazing things.
YAT - Yet Another Terminal - Engineering, testing and debugging of serial communication.