tuile

https://github.com/mvysny/tuile

Tuile is a small TUI framework built on top of the TTY toolkit. It models the terminal as a tree of components (windows, lists, text fields, popups) with an invalidation-based repaint model and a single-threaded event queue, so apps don't have to think about locking. The name is French for "roof tile" — a small piece that composes into a larger whole.