Ratatui

Rust TUI framework (successor to tui-rs). Immediate-mode rendering with a rich widget set.

Language: RustRuntime: RustWebsiteSource

Ratatui is the most popular Rust TUI framework, a community fork of tui-rs. It uses immediate-mode rendering — you redraw the entire UI each frame, and the library diffs against the previous frame to minimize terminal output.

Ratatui requires the Modern TUI baseline — truecolor for its color system, mouse tracking for interactive widgets, and alternate screen for full-screen rendering. It supports multiple backends (crossterm, termion, termwiz) and has a growing ecosystem of third-party widgets.

Analysis2026-03-26

Ratatui requires the Modern TUI baseline — 5 of 8 tested terminals are fully compatible. Compatible: Ghostty, iTerm2, Cursor, VS Code, Cursor. Partial compatibility: Kitty (96%), Terminal.app (96%), Warp (98%). Same baseline tier (Modern TUI) as Silvery, Textual, Bubbletea. Other frameworks target: Ink, Blessed (Core TUI).

Required Baseline

🔵Modern TUIExpected by modern TUI frameworks

Ratatui requires the Modern TUI baseline (47 features). Terminals meeting this baseline can run Ratatui applications with full functionality.

Compatible Terminals

Terminal Applications

iTerm2

100%47 / 47

Ghostty

100%47 / 47

VS Code

100%47 / 47

Warp

98%46 / 47

Cursor

100%47 / 47

Kitty

96%45 / 47

Terminal.app

96%45 / 47

Headless Backends

vterm

100%47 / 47

Alacritty

96%45 / 47

WezTerm

96%45 / 47

vt100

77%36 / 47

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