ttuy (pronounced tee-tee-YU-Y or like TUI) is an easy-to-use, performant, procedural TUI library. It has widgets for asking for user input through text, selection, showing progress, and for creating your own interactive widgets.
go get github.com/electrikmilk/ttuy
import "github.com/electrikmilk/ttuy"
ttuy uses ANSI escape codes to manipulate the terminal.