Ruby Editor
A fast, modern editor for Ruby—clear syntax, smart tooling, and zero distractions.
Try Ruby in ZedPowered 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 extensionsGet Started with Ruby
Everything you need to begin your Ruby development journey in Zed.
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 ZedFast
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.
Explore Other Languages
Zed supports more than 80 programming languages out of the box.
View all supported languages