Open Source Language Servers - Page 2
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Ansible Language Server
Ansible Language Server
This language server adds support for Ansible. Ansible keywords, module names and module options, as well as standard YAML elements are recognized and highlighted distinctly. Jinja expressions are supported too, also those in Ansible conditionals (when, failed_when, changed_when, check_mode), which are not placed in double curly braces. While you type, the syntax of your Ansible scripts is verified and any feedback is provided instantaneously. On opening and saving a document, ansible-lint is executed in the background and any findings are presented as errors. -
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Astro Language Tools
Language tools for Astro
This repository contains all the editor tooling required for the Astro language (.astro files). Notably, it contains an implementation of the Language Server Protocol (LSP) which as of now is used for the official VSCode Extension but could also be used to power a plugin for your favorite IDE in the future. This repository is a monorepo managed through Turbo, which means that multiple packages are in this same repo (packages folder). The official VS Code extension for Astro. This enables all of the editing features you depend on in VSCode for .astro files. -
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D Language Server
A Language Server implementation for D
This is still a work in progress; there might still be bugs and crashes. DLS implements the server side of the Language Server Protocol (LSP) for the D programming language. It doesn't do much itself (yet), and rather uses already available components, and provides an interface to work with the LSP. DLS is usable using FreeBSD's Linux binary compatibility system (tested on FreeBSD 12.0-RELEASE). Code completion, going to the symbol definition, finding references, symbol renaming. Error checking, code formatting (document, range and on-type), symbol listing (current document and workspace-wide). Symbol highlighting, documentation on hover, random, frustrating crashes. -
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Eclipse Che
Next-gen container development platform, workspace server & cloud IDE
Eclipse Che is a Kubernetes-native IDE that makes Kubernetes development accessible for development teams. It places everything a developer could need into containers in Kube pods including dependencies, embedded containerized runtimes, a web IDE, and project code. With the Kubernetes application in your development environment and an in-browser IDE, you can code, build, test and run applications exactly as they run on production from any machine. -
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Eclipse GLSP
Graphical language server platform for building web-based diagram
The Graphical Language Server Platform (GLSP) is an extensible open-source framework for building custom diagram editors based on web technologies. Alongside an extensible client framework and a server framework, GLSP provides a language server protocol (LSP) for diagrams. With that, GLSP enables the development of modern, web-based diagram editors, whereas the heavy lifting, such as loading, interpreting, and editing according to the rules of the modeling language, is encapsulated in the server. GLSP provides integration layers, to use GLSP editors seamlessly in web pages, Eclipse Theia, VS Code and even Eclipse desktop. GLSP provides the perfect basis for the efficient development of web-based diagram editors including edit functionality, layouting, shapes, palettes and everything else you expect from a powerful, modern diagram editor. GLSP doesn't hide the underlying rendering technologies, such as Eclipse Sprotty, SVG, and CSS. -
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LTEX LS
LTeX Language Server: LSP language server for LanguageTool
LTEX LS (LTEX Language Server) implements a language server according to the Language Server Protocol (LSP) and provides grammar and spelling errors in markup documents (LATEX, Markdown, etc.). The documents are checked with LanguageTool. Typically, you start the language server (either locally or remotely), you send the language server your LATEX or Markdown document, and it will respond with a list of the grammar and spelling errors in it. To use LTEX LS in this way, you have to use a language client (usually an editor or an extension of the editor) that communicates with LTEX LS according to the LSP. However, it is also possible to supply LTEX LS paths to files and directories to be checked as command-line arguments. In this mode, LTEX LS will print the results to standard output, and no language client is necessary. -
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Swift Package Manager Project
The package manager for the Swift Programming Language
The Swift Package Manager is a tool for managing distribution of source code, aimed at making it easy to share your code and reuse others’ code. The tool directly addresses the challenges of compiling and linking Swift packages, managing dependencies, versioning, and supporting flexible distribution and collaboration models. We’ve designed the system to make it easy to share packages on services like GitHub, but packages are also great for private personal development, sharing code within a team, or at any other granularity. Swift Package Manager includes a build system that can build for macOS and Linux. Starting with Xcode 11, Xcode integrates with SwiftPM to provide support for including packages in iOS, macOS, watchOS, and tvOS applications. The SourceKit-LSP project leverages libSwiftPM and provides Language Server Protocol implementation for editors that support LSP. -
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nixd
Nix language server, based on nix libraries
This is a feature-rich nix language server interoperating with C++ nix. -
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DelphiLsp Tools
simple tools for interacting with the DelphiLSP server
These are two small tools that explorer how to connect to the DelphiLSP (Delphi Language Server Protocol) tool that comes with Delphi. They don't do anything useful for now, they are just demonstrations written with the help of Claude Code. -
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Elixir Language Server
A frontend-independent IDE "smartness" server for Elixir
Implementing features such as auto-complete or go-to-definition for a programming language is not trivial. Traditionally, this work had to be repeated for each development tool and it required a mix of expertise in both the targeted programming language and the programming language internally used by the development tool of choice. The Elixir Language Server (ElixirLS) provides a server that runs in the background, providing IDEs, editors, and other tools with information about Elixir Mix projects. It adheres to the LSP, a standard for frontend-independent IDE support. Debugger integration is accomplished through a similar VS Code Debug Protocol. These pages contain all the information needed to configure your favorite text editor or IDE and to work with the ElixirLS. You will also find instructions on how to configure the server to recognize the structure of your projects and to troubleshoot your installation when things do not work as expected. -
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HDL Checker
Repurposing existing HDL tools to help writing better code
HDL Checker is a language server that wraps VHDL/Verilg/SystemVerilog tools that aims to reduce the boilerplate code needed to set things up. It supports Language Server Protocol or a custom HTTP interface; can infer the library VHDL files likely to belong to, besides working out mixed language dependencies, compilation order, interpreting some compiler messages and providing some (limited) static checks. Notice that currently, the unused reports has caveats, namely declarations with the same name inherited from a component, function, procedure, etc. -
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Haskell IDE Engine (HIE)
The engine for haskell ide-integration. Not an IDE
This project aims to be the universal interface to a growing number of Haskell tools, providing a fully-featured Language Server Protocol server for editors and IDEs that require Haskell-specific functionality. Supports plain GHC projects, cabal projects(sandboxed and non sandboxed) and stack projects. Fast due to caching of compile info. Uses LSP, so should be easy to integrate with a wide selection of editors. Diagnostics via hlint and GHC warnings/errors. Code actions and quick fixes via apply-refact. Type information and documentation(via haddock) on hover. Jump to definition. -
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This is a new generation of SQL (Structured query language) Server which is targeted to serve on a Virtual Appliance. Hybrid SQL Server is targeted to run on VirtualBox from SunMicrosystems.
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Metals
Scala language server with rich IDE features
Scala language server with rich IDE features. -
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Microsoft Python Language Server
Microsoft Language Server for Python
Microsoft Python Language Server implements the Language Server Protocol. Its primary clients are the Python extension for VS Code and Python Tools for Visual Studio. Feel free to file issues or ask questions on our issue tracker, and we welcome code contributions. Linting can be controlled via the user configuration. In VS Code, this is settings.json. To control the visibility and severity of the diagnotics, there are a number of lists that can be set in the user configuration which make use of each diagnostic's error code. During analysis language server produces Python code from compiled modules and builtins which is similar to Python module stubs. It may also produce database files holding module analysis for faster retrieval later. -
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Terraform LSP
Language Server Protocol for Terraform
Currently, there are two Terraform LSP repositories one of which is this repository and one of which is terraform-ls. Terraform-LS also contains details about this repository as well. The aim to have a unified lsp for Terraform in the future, but for now there is two concurrent development with collaboration to each other, this repo is aim for more experimental features, and the terraform-ls is aimed for stableness. -
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crystalline
A Language Server Protocol implementation for Crystal
Crystalline is an implementation of the Language Server Protocol written in and for the Crystal Language. It aims to provide limited language features (like go-to, autocompletion, syntax and semantic checking) and ease development with any compatible code editor. Crystalline is not as extensive in terms of features as other Language Servers but still provides very convenient tools. Code Diagnostics. Syntax and semantic checks on save. Limited Autocompletion. List (depending on the target) method definitions, macros or module/class/struct names or symbols available in the current context. A whole document or a text selection. By clicking on a symbol with the Cmd or Ctrl key pressed (editor/platform dependent). Hovering should display (when possible) either a variable type, a function definition signature or the expanded macro. -
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glsl-language-server
Language server implementation for GLSL
Language server implementation for GLSL. Currently, this LSP implementation can be interfaced with using either HTTP or Studio. You can run glslls to use an HTTP server to handle IO. Alternatively, run glslls --stdin to handle IO on stdin. lsp-mode has this language server integrated into the core. This assumes you have glsl-mode installed. -
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This is HTTP server created with Bourne shell language. Server executed by inetd internet super-server for accept network connections.
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vim-lsp
async language server protocol plugin for vim and neovim
vim-lsp is a Language Server Protocol client for Vim 8 and Neovim that brings modern IDE-style features into a lightweight editor. It uses Vim’s async jobs and timers (or Neovim’s RPC) to talk to external language servers without blocking the UI. Integrates with external completion frameworks for omnifunc/completion menus. With a server configured, you get go-to-definition, hover docs, signature help, references, rename, code actions, and diagnostics. It is designed to be minimal and extensible, often paired with completion plugins like asyncomplete or others for a full experience. Works with many language servers via simple server configuration blocks. The project aims to stay close to the LSP spec while exposing familiar Vim commands and mappings. It allows per-project or per-filetype setups, so multiple languages can be enabled side by side.
