Top 8 Python language-server-protocol Projects

Spyder

1 85 9,237 9.9 Python

Official repository for Spyder - The Scientific Python Development Environment
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pylance-release

2 53 2,085 8.3 Python

Documentation and issues for Pylance
LSP

3 21 1,784 9.4 Python

Client implementation of the Language Server Protocol for Sublime Text

Project mention: Zed fork focused on privacy and being local-first | news.ycombinator.com | 2025-08-20
xcode-build-server

4 4 975 6.8 Python

a build server protocol implementation for integrate xcode with sourcekit-lsp

Project mention: Expanding Swift's IDE Support | news.ycombinator.com | 2026-04-08

No so straightforward, but there is project that parses xcodebuild logs and pass them to lsp to provide LSP for SwiftUI projects https://github.com/SolaWing/xcode-build-server
Also I build extra tooling to facilitate iOS development in VSCode https://github.com/sweetpad-dev/sweetpad
multilspy

5 5 586 8.0 Python

multilspy is a lsp client library in Python intended to be used to build applications around language servers.
fortls

6 2 338 6.3 Python

fortls - Fortran Language Server
monitors4codegen

7 3 281 6.3 Python

Code and Data artifact for NeurIPS 2023 paper - "Monitor-Guided Decoding of Code LMs with Static Analysis of Repository Context". `multispy` is a lsp client library in Python intended to be used to build applications around language servers.
pylsp-rope

8 13 146 0.0 Python

Extended refactoring capabilities for python-lsp-server using Rope

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Python language-server-protocol discussion

Python language-server-protocol related posts

In 2025, Apple still makes it hard to play your own MP3s, so I wrote my own app

4 projects | dev.to | 22 May 2025
The Language Server Protocol - Building DBChat (Part 5)

5 projects | dev.to | 15 Jan 2025
Open source versus Microsoft: The new rebellion begins

2 projects | news.ycombinator.com | 15 Apr 2024
An Experimental Cloudformation language server

1 project | news.ycombinator.com | 20 Mar 2024
Help! Connection to server got closed error

1 project | /r/vscode | 7 Dec 2023
Pylance is not working on my vscode

1 project | /r/vscode | 25 Aug 2023
VSCode adding exactly one space to all my new lines??

1 project | /r/vscode | 23 Jun 2023
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www.saashub.com | 14 Jun 2026

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Index

What are some of the best open-source language-server-protocol projects in Python? This list will help you:

#	Project	Stars
1	Spyder	9,237
2	pylance-release	2,085
3	LSP	1,784
4	xcode-build-server	975
5	multilspy	586
6	fortls	338
7	monitors4codegen	281
8	pylsp-rope	146

Python language-server-protocol

Top 8 Python language-server-protocol Projects

Python language-server-protocol discussion

Python language-server-protocol related posts

In 2025, Apple still makes it hard to play your own MP3s, so I wrote my own app

The Language Server Protocol - Building DBChat (Part 5)

Open source versus Microsoft: The new rebellion begins

An Experimental Cloudformation language server

Help! Connection to server got closed error

Pylance is not working on my vscode

VSCode adding exactly one space to all my new lines??

Index

Did you know that Python is the 1st most popular programming language based on number of references?

Did you know that Python is
the 1st most popular programming language
based on number of references?