Haskell Editor
A fast, modern editor for Haskell—precise syntax, smart tooling, and clarity-focused.
Try Haskell in ZedPowered by Tree-sitter
Precise Syntax Highlighting
Type signatures, monadic do-blocks, and infix operators are highlighted clearly, helping you stay focused in Haskell.
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 Haskell LSP Integration
Zed provides intelligent code completion, diagnostics, and refactoring capabilities for Haskell through seamless language server integration.
Popular Extensions
Enhance Zed with popular extensions from our growing ecosystem.
Browse all extensionsGet Started with Haskell
Everything you need to begin your Haskell development journey in Zed.
Debugging Support
Haskell Debugging
While native Haskell debugging isn't available yet, Zed offers powerful debugging capabilities for other languages with full DAP support.
Learn about Zed's Debugger
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.
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 Haskell Development
Experience features that make Haskell development faster and more enjoyable.
Download ZedFast
Open large Haskell projects instantly. Navigate & edit with zero lag, even in massive codebases.
Agentic
Generate Haskell code, write tests, and refactor with integrated AI that understands your context.
Collaborative
Pair program, debug together, and share your Haskell 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