TotalTerminal

a system-wide terminal available on a hot-key

Do you like TotalTerminal?
Check out also TotalFinder
.
Download v1.6
Compatible with macOS 10.9 and 10.10

Warning: TotalTerminal is no longer under active development

TotalTerminal is a plugin for Terminal.app.

It provides persistent Visor Window which slides down when you press a hot-key (remember Quake console?).