Language Server Protocol GitHub Repositories (2026) · Open Source Tools

Interactive architecture diagrams for codebases

PKM Markdown Language Server

A fast type checker and language server for Python

LSP implementation for the fish shell language 🐠

Java language server

Open Source Toolkit for Robot Framework, providing Language Server Protocol support, Debugger, VSCode Extension, PyCharm Plugin and powerful CLI tools

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

Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

XML Language Server

Official repository for Spyder - The Scientific Python Development Environment

C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlighting

Client implementation of the Language Server Protocol for Sublime Text

Language Server Protocol in C#

LSP & DAP Client for IntelliJ

🌐 Prisma Language Tools = Language Server and Prisma's VS Code extension.

Full-featured language server and other tools for WebAssembly, making WebAssembly development fast, safe, and joyful.

Pi coding agent extensions with code intelligence (LSP + Tree-sitter AST), semantic refactoring, code review, web/Context7 docs, and ask-user forms.

:memo: Vimlike Modal Text Editor in Rust

A Language Server for Postgres