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ratatui.rs
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🔗https://ratatui.rs

Ratatui (ratatui.rs) is a fully legitimate, free, open-source Rust library for building terminal user interfaces, licensed under the MIT License and available on crates.io with over 33.5 million downloads and more than 21,000 GitHub stars. It is community-maintained, forked from the tui-rs project in 2023, and actively developed with strong documentation, multiple support channels (Discord, Matrix, GitHub), and a large ecosystem of dependent crates. There is no purchase involved — developers simply add it as a dependency in their Rust projects, though beginners should note it is a lower-level library that requires pairing with a backend like Crossterm for input handling.

ratatui.rs product imageratatui.rs product imageratatui.rs product image

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Pros

  • Free and open-source under the MIT License, usable for personal or commercial projects
  • Over 33.5 million downloads on crates.io, indicating wide adoption and trust in the Rust ecosystem
  • 4,400+ crates built with it, demonstrating broad real-world utility
  • 21,100+ GitHub stars reflecting strong community endorsement
  • Sub-millisecond rendering with immediate-mode rendering for highly responsive TUIs
  • Zero external C dependencies, relying entirely on pure Rust for memory and thread safety
  • Supports no_std for embedded targets beyond standard terminal environments
  • Rich built-in widget library including charts, tables, gauges, sparklines, scrollable lists, and progress bars
  • Constraint-based responsive layouts that automatically adapt to any terminal size
  • Active maintenance with a current release (v0.30.2) and ongoing development
  • Multiple official community channels including Discord, Matrix, GitHub, and a Discourse forum
  • Comprehensive documentation hosted on docs.rs and the official ratatui.rs site
  • Large ecosystem of example apps and video tutorials easing the learning process
  • Backed by industry adoption, with notable apps like csvlens, binsider, and oxker built on it

Cons

  • Low-level library that requires a separate crate (e.g., Crossterm) for input and event handling
  • Steeper learning curve for beginners compared to higher-level alternatives like Cursive
  • Rust-only; not usable from other programming languages
  • Immediate-mode rendering requires the developer to manually trigger and manage redraws each frame
  • No built-in application state management or component lifecycle system
  • Terminal-only output; not suitable for GUI or web interfaces without additional tooling
  • Forked from the now-unmaintained tui-rs, so some older tutorials and code examples target the predecessor and may not be directly compatible

Safety signals

✓Established open-source project with active maintenance
✓MIT License clearly stated
✓Official documentation on docs.rs and crates.io
✓Multiple community channels available (Discord, Matrix, GitHub, Discourse)
✓33.5M+ downloads on crates.io
✓21.1k GitHub stars
✓4,400+ dependent crates in the ecosystem
✓No scam or fraud reports found
–No commercial transaction or payment involved
–No third-party trust scores available
–Steep learning curve noted for beginners

Facts

Connection Valid HTTPS certificate
Certificate valid until 2026-07-30 (38 days) · Google Trust Services
Project type: Open-source Rust library (not a commercial product or store)
Purpose: Building terminal user interfaces (TUIs) in Rust
License: MIT License (free for personal and commercial use)
Current version: 0.30.2
GitHub stars: 21,100+
Downloads on crates.io: 33.5 million+
Dependent crates: 4,400+ packages built with Ratatui
Price: Free (no cost)
Rendering approach: Immediate-mode rendering with sub-millisecond performance
Key dependency: Crossterm (or similar backend) required for input event handling
Widgets included: Charts, sparklines, tables, gauges, scrollable lists, progress bars, and more
Layout system: Constraint-based responsive layouts (similar to Flexbox)
Rust compatibility: Supports standard and no_std (embedded) targets
Community channels: GitHub, Discord, Matrix, Discourse forum, X.com, Bluesky, Mastodon, LinkedIn
Documentation: Hosted on docs.rs and ratatui.rs
Learning curve: Relatively steep for beginners due to low-level rendering focus
Notable apps built with it: csvlens, binsider, oxker, openapi-tui, scope-tui
Legitimacy: Established, widely trusted project with no scam reports

Specs

Language: Rust
Current Version: 0.30.2
License: MIT
Library Type: Terminal User Interface (TUI) framework
Rendering Model: Immediate-mode rendering
Rendering Speed: Sub-millisecond
C Dependencies: None
std Requirement: no_std compatible (supports embedded targets)
Thread Safety: Thread-safe
Memory Safety: Memory-safe (Rust guarantees)
Downloads on crates.io: 33.5 million
GitHub Stars: 21,100+
Dependent Crates: 4,400+
Forked From: tui-rs (2023)
Input Handling: External (e.g., Crossterm, handled separately)
Layout System: Constraint-based responsive (horizontal/vertical splits, percentages)
Built-in Widgets: Charts, sparklines, tables, gauges, scrollable lists, progress bars, paragraphs, blocks
Documentation: docs.rs, ratatui.rs
Package Registry: crates.io
Community Channels: GitHub, Discord, Matrix, Discourse, X.com, Bluesky, Mastodon, LinkedIn
Price: Free (open-source)

Better options

💡 Smarter pick
cursiveFree (MIT/Apache 2.0)

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iocraftFree (MIT)

Declarative, component-based Rust TUI library inspired by React; reduces boilerplate compared to Ratatui's immediate-mode model

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tui-rsFree (MIT)

The original project Ratatui was forked from in 2023; largely compatible API, but now archived and unmaintained — useful only for legacy codebases already depending on it

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Based on 8 sources

Ratatui | Ratatuiratatui - Rustratatui 0.26.2 - Docs.rsratatui v0.30.1ratatui/ratatuiFAQ | RatatuiDemo | Ratatuiratatui - Rust
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