Ruby Editor

A fast, modern editor for Ruby—clear syntax, smart tooling, and zero distractions.

Try Ruby in Zed

Powered by Tree-sitter

Precise Syntax Highlighting

Ruby methods, symbols, and blocks are highlighted responsively, keeping your Ruby flow intact.

Semantic Understanding

Tree-sitter parses your code into a syntax tree, enabling features like code folding, selection expansion, and precise highlighting.

Instant Updates

Syntax highlighting updates in real-time as you type, with no lag or delay even in large files.

Error Recovery

Even with syntax errors, Tree-sitter maintains accurate highlighting for the rest of your code.

Language Server Protocol

Full Ruby LSP Integration

Zed provides intelligent code completion, diagnostics, and refactoring capabilities for Ruby through seamless language server integration.

Popular Extensions

Extend Your Ruby Experience

Enhance Zed with Ruby-specific extensions from our growing ecosystem.

Browse all extensions

Debugging Support

Ruby Debugging

Zed offers powerful debugging capabilities for Ruby and many other languages with full DAP support.

Learn about Ruby debugging

Debug Adapter Protocol

Zed supports the Debug Adapter Protocol (DAP) for standardized debugging across multiple languages.

Universal Debugging Features

Breakpoints, variable inspection, call stack navigation, and step-through debugging when supported.

Why Zed

Built for Modern Ruby Development

Experience features that make Ruby development faster and more enjoyable.

Download Zed

Fast

Open large Ruby projects instantly. Navigate & edit with zero lag, even in massive codebases.

Agentic

Generate Ruby code, write tests, and refactor with integrated AI that understands your context.

Collaborative

Pair program, debug together, and share your Ruby projects with your team in real-time.