Emacs Lisp

magit-modemagit/magit

A complete Git porcelain implemented as an Emacs package, allowing version control tasks directly from the editor.

CIDER (Emacs)clojure-emacs/cider

An Emacs extension for interactive Clojure and ClojureScript development with a REPL, debugging, and code analysis.

Flycheckflycheck/flycheck

A modern on-the-fly syntax checking extension for GNU Emacs that validates code as you type.

Slime contrib for Coaltonslime/slime

An Emacs extension for interactive Common Lisp programming with compilation, debugging, and documentation lookup.

smartparens (Emacs)Fuco1/smartparens

An Emacs minor mode that intelligently manages parentheses and other delimiter pairs for structured editing.

go-modedominikh/go-mode.el

An Emacs major mode for editing Go code with syntax highlighting, indentation, and integration with Go tools.

Slyjoaotavora/sly

A modern, feature-rich Common Lisp IDE for Emacs, forked from SLIME with improved user experience.

rust-moderust-lang/rust-mode

An Emacs major mode for editing Rust code, providing syntax highlighting, indentation, and integration with Cargo, rustfmt, and Clippy.

Alchemisttonini/alchemist.el

An Emacs package providing comprehensive Elixir tooling integration, including IEx, Mix, code evaluation, and documentation lookup.

Irony-modeSarcasm/irony-mode

An Emacs minor mode for C/C++/Objective-C development powered by libclang, providing code completion, syntax checking, and eldoc integration.

aggressive-indent (Emacs)Malabarba/aggressive-indent-mode

An Emacs minor mode that automatically reindents code after every edit, keeping it always properly formatted.

docker.elSilex/docker.el

An Emacs package for managing Docker containers, images, volumes, networks, contexts, and docker-compose from within the editor.

org-airksm/org-ai

An Emacs org-mode minor mode that integrates generative AI models like ChatGPT, DALL-E, and Stable Diffusion for text and image generation.

rainbow-delimiters (Emacs)Fanael/rainbow-delimiters

An Emacs minor mode that highlights nested delimiters with different colors according to their depth.

rusticbrotzeit/rustic

An enhanced Rust development environment for Emacs with LSP integration, cargo commands, and org-babel support.

dockerfile-modespotify/dockerfile-mode

An Emacs major mode for editing Dockerfiles with syntax highlighting and build commands.

Circe-icon Circeemacs-circe/circe

A feature-rich IRC client for Emacs with sensible defaults and deep editor integration.

Emacsgodotengine/emacs-gdscript-mode

An Emacs major mode providing GDScript language support, syntax highlighting, and debugging for Godot game development.

emacs-racerracer-rust/emacs-racer

An Emacs package providing Rust code completion, definition lookup, and documentation via Racer.

Emacs4CLsusam/emacs4cl

A tiny DIY kit to set up vanilla Emacs for Common Lisp programming with SLIME, Paredit, and Rainbow Delimiters.

tuaregocaml/tuareg

A major Emacs mode for editing OCaml code with syntax highlighting, indentation, REPL integration, and debugger support.

emacs-elm-modejcollard/elm-mode

A major mode for Emacs providing comprehensive support for the Elm programming language.

swift-modeswift-emacs/swift-mode

An Emacs major mode providing syntax highlighting, indentation, and development tools for Apple's Swift programming language.

Company-Coqcpitclaudel/company-coq

A collection of Emacs extensions for Proof General's Coq mode, providing IDE-like features for interactive theorem proving.

lua-modeimmerrr/lua-mode

An Emacs major mode providing syntax highlighting, indentation, REPL integration, and tooling for editing Lua code.

Emacs terraform-modehcl-emacs/terraform-mode

An Emacs major mode for editing Terraform configuration files with syntax highlighting, indentation, and formatting.

JSON Reformatgongo/json-reformat

An Emacs package for reformatting and pretty-printing JSON with customizable indentation and string decoding.

Emacsquarto-dev/quarto-emacs

An Emacs mode for editing Quarto documents with syntax highlighting, preview, and polymode integration.

flycheck-rustflycheck/flycheck-rust

A Flycheck extension that automatically configures syntax checking for Rust/Cargo projects in Emacs.

v-modedamon-kwok/v-mode

An Emacs major mode providing syntax highlighting, indentation, and tooling for the V programming language.

Slitetdrhq/slite

An interactive test runner for Common Lisp (FiveAM and Parachute) that integrates with Emacs via SLIME/SLY.

lisp-formateschulte/lisp-format

A command-line tool that formats Lisp code using Emacs, designed as a drop-in replacement for clang-format.

cmake-font-lockLindydancer/cmake-font-lock

Advanced, type-aware syntax highlighting for CMake scripts in Emacs.

emacs-flycheck-mypylbolla/emacs-flycheck-mypy

Emacs Flycheck integration for MyPy to type-check Python code with type hints.

Quicklisp systemsmmontone/quicklisp-systems

An Emacs extension for searching, browsing, and loading Quicklisp Common Lisp systems with completion.

SLIME doc contribmmontone/slime-doc-contribs

Two SLIME contribs for browsing Common Lisp documentation in Emacs via a helpful-mode style interface or Emacs info-mode.