Termbin.com is a command line pastebin - easy way to share your terminal output.
Guake is a top-down terminal for Gnome (in the style of Yakuake for KDE, Tilda or the terminal used in Quake). See the official website at Guake-project.org.
Terminus is a highly configurable terminal emulator, SSH and serial client for Windows, macOS and Linux
Integrated SSH client and connection manager
Integrated serial terminal
Theming and color schemes
Fully configurable shortcuts and multi-chord shortcuts
Split panes
Remembers your tabs
PowerShell (and PS Core), WSL, Git-Bash, Cygwin, Cmder and CMD support
Direct file transfer from/to SSH sessions via Zmodem
Full Unicode support including double-width characters
Doesn't choke on fast-flowing outputs
Proper shell experience on Windows including tab completion (via Clink)