Language Server GitHub Repositories (2026) · Open Source Tools

TOML Formatter / Linter / Language Server

Tinymist [ˈtaɪni mɪst] is an integrated language service for Typst [taɪpst].

A fast type checker and language server for Python

A jq-like Markdown query language for command-line processing

LSP implementation for the fish shell language 🐠

Regal is a linter and language server for Rego, bringing your policy development experience to the next level!

language server for systemd unit files - embedded documentation + complete LSP implementation in rust.

Official Symfony language tools for VS Code, Zed, Neovim, and other editors

YAML support for VS Code with built-in kubernetes syntax support

language server that bridges the gap between languages, editors, and tooling

Language server, formatter, and linter for Quarto and other Markdown flavors

Rust-powered Svelte ecosystem

A new language server for Julia, enabling modern, compiler-powered tooling.

A language for writing HTML user interfaces in Go.

A Ruby language server.

Markdown knowledge graph — LSP for your editor, CLI + MCP memory for your AI agents

Terraform Language Server

TypeScript Language Service Plugin for GraphQL developers

Language Server Protocol in C#

Development tools for vanilla Minecraft: Java Edition data pack developers.