Teleconsole - Teleconsole is a free service to share your terminal session with people you trust.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Shell Notebook - MacOS Terminal, reimagined
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
TermHere - “Open Terminal Here” shortcut for Finder
iTerm2 - A terminal emulator for macOS that does amazing things.