Ratatui

Ratatui is an immediate-mode Rust library for building terminal UIs. It renders the entire UI each frame from application state — there is no persistent widget tree. The default backend is Crossterm.

• Crate: ratatui = "0.30"
• Docs: https://docs.rs/ratatui/latest/ratatui/
• MSRV: 1.86.0 (Rust 2024 edition)
• Widget reference: Read references/widgets.md for built-in widget details, styling, and custom widget implementation
• Architecture patterns: Read references/architecture.md for TEA, component, and monolithic patterns, event handling, layout, state management, and testing

Quick Start

Minimal app with ratatui::run() (v0.30+)

use ratatui::{widgets::{Block, Paragraph}, style::Stylize};

fn main() -> Result<(), Box<dyn std::error::Error>> {
    ratatui::run(|terminal| {