A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.
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A fast type checker and language server for Python
Copy/paste detector for source code. 220+ languages, Rust engine, SARIF/HTML/badge reporters, GitHub Action, MCP server for AI agents.
- copy-paste
- duplicates
- cpd
- code-quality
Codebase intelligence for TypeScript and JavaScript. Health, complexity hotspots, duplication, architecture boundaries, circular dependencies, design-system drift, and unused code, from one graph. CLI, GitHub Action, LSP, MCP, and VS Code. Rust, MIT licensed.
- cli
- code-quality
- dead-code
- developer-tools
Visual Studio extension for assembly syntax highlighting and code completion in assembly files and the disassembly window
- visual-studio
- assembly-language-programming
- syntax-highlighting
- avx512
Tinymist [ˈtaɪni mɪst] is an integrated language service for Typst [taɪpst].
Write Markdown with code assist and intelligence in the comfort of your favourite editor.
LSP-AI is an open-source language server that serves as a backend for AI-powered functionality, designed to assist and empower software engineers, not replace them.
- ai
- auto-completion
- developer-tools
- ide
A fast, feature-rich static code analyzer & language server for Python
PKM Markdown Language Server
- language-server-protocol
- lsp
- lsp-server
- markdown
Kotlin code completion, diagnostics and more for any editor/IDE using the Language Server Protocol
- kotlin
- language-server
- atom
- autocomplete
An opinionated language server for Ruby
- lsp
- ruby
- lsp-server
- vscode-extension
Verible is a suite of SystemVerilog developer tools, including a parser, style-linter, formatter and language server
- systemverilog
- lexer
- yacc
- syntax-tree
NIx Language server, an incremental analysis assistant for writing in Nix.
PHP intellisense for Visual Studio Code
- php
- intellisense
- vscode-extension
- vscode
A code-completion & code-comprehension server
- code-completion
- semantic-engine
- code-analysis
- editor
Python Type Checker / Language Server
- autocompletion
- language-server-protocol
- mypy
- python
Universal toolkits for linting, viewing and managing i18n for any frameworks.
The missing linter and lsp for AI coding assistants. Validate CLAUDE.md, AGENTS.md, SKILL.md, hooks, MCP. Plugin for all major IDEs included, with autofixes.
Visual Studio Code extension for Rocq
JQuick Java: a lightweight Java-like scripting language for rule engines. Declare, parse and execute business rules at runtime via XML or inline scripts—no restart needed. Java 8+, embeddable, with LSP and IDEA plugin support.
A Ruby language server for large codebases
Visual Studio Code Extension and Language Server Protocol for Rocq / Coq [maintainers=@gbdrt,@SkySkimmer,@tabareau]
- coq
- ide
- user-interface
- vscode-extension
The @vlang language server, for all your editing needs like go-to-definition, code completion, type hints, and more.
- bindings
- language-server
- lsp
- lsp-server