--- title: RatatuiRuby — Terminal UIs in Ruby | daily.dev description: RatatuiRuby is a RubyGem that brings terminal user interfaces to Ruby by wrapping Rust's Ratatui library. It supports both inline viewports for adding rich... canonical: https://daily.dev/posts/ratatuiruby-terminal-uis-in-ruby-ihnfpbmrg twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: RatatuiRuby — Terminal UIs in Ruby | daily.dev og:description: RatatuiRuby is a RubyGem that brings terminal user interfaces to Ruby by wrapping Rust's Ratatui library. It supports both inline viewports for adding rich... og:url: https://daily.dev/posts/ratatuiruby-terminal-uis-in-ruby-ihnfpbmrg og:image: https://api.daily.dev/og/posts/IHnFPBMrg.png og:image:alt: RatatuiRuby — Terminal UIs in Ruby og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # RatatuiRuby — Terminal UIs in Ruby **[Hacker News](https://daily.dev/sources/hn)** · 7 min read · 0 upvotes · 0 comments ## Summary RatatuiRuby is a RubyGem that brings terminal user interfaces to Ruby by wrapping Rust's Ratatui library. It supports both inline viewports for adding rich elements like spinners and menus to CLI scripts without taking over the screen, and full-screen TUI applications with keyboard and mouse input. The library includes built-in testing capabilities with headless terminal support, event injection, and snapshot comparisons. For complex applications, it integrates with Rooibos (MVU framework) or the upcoming Kit (component-based architecture). The native Rust extension provides performance while keeping Ruby's expressiveness for UI logic. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#testing](https://daily.dev/tags/testing), [#rust](https://daily.dev/tags/rust), [#ruby](https://daily.dev/tags/ruby), [#cli](https://daily.dev/tags/cli) [View this post on daily.dev](https://daily.dev/posts/ratatuiruby-terminal-uis-in-ruby-ihnfpbmrg) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"RatatuiRuby — Terminal UIs in Ruby","url":"https://daily.dev/posts/ratatuiruby-terminal-uis-in-ruby-ihnfpbmrg","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/ratatuiruby-terminal-uis-in-ruby-ihnfpbmrg"},"datePublished":"2026-01-22T03:36:08.011Z","dateModified":"2026-01-22T03:36:30.257Z","description":"RatatuiRuby is a RubyGem that brings terminal user interfaces to Ruby by wrapping Rust's Ratatui library. It supports both inline viewports for adding rich...","image":"https://www.ratatui-ruby.dev/hero.gif","thumbnailUrl":"https://www.ratatui-ruby.dev/hero.gif","isAccessibleForFree":true,"articleSection":"Hacker News","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hacker News","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/hn","url":"https://daily.dev/sources/hn"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/ratatuiruby-terminal-uis-in-ruby-ihnfpbmrg","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"testing,rust,ruby,cli","timeRequired":"PT7M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hacker News","item":"https://daily.dev/sources/hn"},{"@type":"ListItem","position":3,"name":"RatatuiRuby — Terminal UIs in Ruby"}]} ```