Apple - Available on iOS
PuTTY - Popular free terminal application. Mostly used as an SSH client.
iPad 9.7" - The new $329 entry-level iPad for students
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Microsoft Surface - Life is a passion project.
iTerm2 - A terminal emulator for macOS that does amazing things.