Open Source Emacs-Lisp Software
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Emacs-Lisp Software
Browse free open source Emacs-Lisp Software and projects below. Use the toggles on the left to filter open source Emacs-Lisp Software by OS, license, language, programming language, and project status.
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Mozc
Mozc - a Japanese Input Method Editor designed for multi-platform
Mozc is an open source Japanese Input Method Editor (IME) developed by Google, designed to provide Japanese text input across multiple operating systems including Android, macOS, Windows, GNU/Linux, and Chromium OS. The project originated as a subset of Google Japanese Input, released publicly under the BSD 3-Clause license for community use and development. Mozc offers core IME functionality such as text conversion, prediction, and dictionary-based input, enabling users to efficiently type and edit Japanese text. While Mozc shares much of its codebase with Google’s internal IME, it operates as an independent open source project without official support, guarantees, or stable release cycles. Developers can build Mozc from source for their preferred platform, and the repository includes detailed build instructions for Android, Linux, macOS, and Windows environments. -
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Citar
Emacs package to quickly find and act on bibliographic references
Emacs package to quickly find and act on bibliographic references, and edit org, markdown, and latex academic documents. Citar provides a highly configurable completing-read front-end to browse and act on BibTeX, BibLaTeX, and CSL JSON bibliographic data, and LaTeX, markdown, and org-cite editing support. -
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Google Style Guides
Style guides for Google-originated open source projects
Google Styleguide is a comprehensive collection of coding style guides created and maintained by Google to ensure consistency, readability, and maintainability across its vast array of software projects. These guides define best practices and conventions for writing code in multiple programming languages, from C++ and Python to JavaScript, Go, and Swift. By adhering to these standards, developers can more easily collaborate, review code, and maintain high-quality software across teams and open source contributions. Each guide covers a wide range of topics, including naming conventions, file organization, indentation, documentation, and usage of specific language features. The repository also provides supplementary resources such as an Emacs configuration file for Google’s C++ style and references to related guidelines like Effective Dart and Kotlin Style Guide. -
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Projectile
Project Interaction Library for Emacs
Projectile is a project interaction library for Emacs. Its goal is to provide a nice set of features operating on a project level without introducing external dependencies (when feasible). For instance - finding project files has a portable implementation written in pure Emacs Lisp without the use of GNU find (but for performance sake an indexing mechanism backed by external commands exists as well). This library provides easy project management and navigation. The concept of a project is pretty basic - just a folder containing some special file (e.g. a VCS marker or a project descriptor file like pom.xml or Gemfile). Projectile will auto-detect pretty much every popular project type out of the box and you can easily extend it with additional project types. Projectile tries to be practical - portability is great, but if some external tools could speed up some task substantially and the tools are available, Projectile will leverage them. -
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emacs-w64
64-Bit GNU Emacs for MS Windows with optimization.
A GNU Emacs binary distribution for users who want to use Emacs natively in 64-Bit Windows (x86_64). This project will focus on providing unmodified, up-to-date (from git master and newest release), and optimized w64 binary builds. Also available on GitHub: https://github.com/zklhp/emacs-w64/releases For details concerning the build, please see the wiki page on https://sourceforge.net/p/emacsbinw64/wiki/Build%20guideline%20for%20MSYS2-MinGW-w64%20system/. 中文版请看这里： http://chriszheng.science/2015/03/19/Chinese-version-of-Emacs-building-guideline/. -
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SLIME
The Superior Lisp Interaction Mode for Emacs
SLIME is a Emacs mode for Common Lisp development. Inspired by existing systems such Emacs Lisp and ILISP, we are working to create an environment for hacking Common Lisp in. SLIME extends Emacs with support for interactive programming in Common Lisp. The features are centered around slime mode, an Emacs minor mode that complements the standard lisp mode. While lisp-mode supports editing Lisp source files, slime-mode adds support for interacting with a running Common Lisp process for compilation, debugging, documentation lookup, and so on. The Read-Eval-Print Loop ("top-level") is written in Emacs Lisp for tighter integration with Emacs. The REPL also has builtin "shortcut" commands similar to those of the McCLIM listener. SLIME is able to take compiler messages and annotate them directly into source buffers. -
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Solarized for Emacs
The Solarized colour theme, ported to Emacs
Solarized for Emacs is an Emacs 24bit theme making use of of the Solarized palette, developed by Ethan Schoonover. Solarized for Emacs supports officially Emacs 24+, but should be working under Emacs 23 as well. The theme is implemented in terms of customizations and def theme and does not require the color-theme-package. Solarized for Emacs is available for installation via the MELPA using package.el. This package will install two variants of the theme; solarized-light-theme and solarized-dark-theme. You can load one of the theme variants with M-x load-theme. The intent of this theme will always be that Solarized-dark/light will give you the best possible experience. Palettes other than Solarized will never have influence over theming decisions, they are complementary. You should not expect the complementary themes to be fully accurate or the most suitable versions of how to apply those palettes into an emacs theme. -
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Spacemacs
A community-driven Emacs distribution
The best editor is neither Emacs nor Vim, it's Emacs *and* Vim, courtesy of Spacemacs! Spacemacs is an extension of the popular text editor Emacs, that offers a whole new way of experiencing Emacs. It is a community-driven Emacs distribution that focuses on ergonomics, mnemonics and consistency. Using it comes naturally to both Emacs and Vim users. In fact, you could even combine the two editing styles. Enabling you to switch between input styles makes Spacemacs a great choice for pair-programming. Spacemacs features a beautiful GUI and exceptional ergonomics, with all the key bindings easily accessible simply by pressing the space bar or alt-m. Spacemacs also comes with hundreds of curated, ready-to-use packages that are well organised in configuration layers. -
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RefDB is a reference database and bibliography tool for SGML, XML, and LaTeX documents, sort of a Reference Manager or BibTeX for markup languages. It is portable and known to run on Linux, Free/NetBSD, OSX, Solaris, and Windows/Cygwin.
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DictEm is an extremely customizable Dictionary client for (X)Emacs. It implements functions of the client part of the Dictionary protocol (RFC-2229). It widely uses autocompletion and provides powerful API that allows to heavily extend its functionality.
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jtags - enhanced tags lookup for Java
Emacs minor mode that provides enhanced tags lookup for Java code.
Emacs minor mode that provides enhanced tags lookup for Java code. Show declaration or Javadoc for the identifier at point, complete partly typed identifiers, and update TAGS files from within Emacs. -
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Aquamacs Emacs is a Mac-native distribution of the powerful Emacs text editor (versions 23+), featuring Plug&Play and a great UI. Aquamacs feels just right on the Mac, interacts well with other apps, while supporting Emacs' keys and Elisp packages.
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Blamer.el
A git blame plugin for emacs inspired by VS Code's GitLens plugin
A git blame plugin for emacs inspired by VS Code’s GitLens plugin and Vim plugin. -
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Bone Yard is a simple method for inserting default, mode specific, text into empty Emacs buffers. It's used to easily load boilerplate text to get started with new programs.
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The Breadcrumb package is an Emacs add-on module that allows setting a series of quick bookmarks in Emacs. The bookmarks are global across different editing buffers, leaving a trail of breadcrumbs across them that you can jump back to quickly.
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CC Mode is a GNU Emacs and XEmacs mode for editing C and other languages with similar syntax; currently C++, Objective-C, Java, CORBAs IDL, Pike, and AWK. It is a standard package in both GNU Emacs and XEmacs.
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CIDER
The Clojure Interactive Development Environment that Rocks for Emacs
CIDER extends Emacs with support for interactive programming in Clojure. The features are centered around cider-mode, an Emacs minor-mode that complements clojure-mode. While clojure-mode supports editing Clojure source files, cider-mode adds support for interacting with a running Clojure process for compilation, debugging, definition and documentation lookup, running tests, and so on. CIDER aims to provide an interactive development experience similar to the one you’d get when programming in Emacs Lisp, Common Lisp (with SLIME or Sly), Scheme (with Geiser), and Smalltalk. Programmers are expected to program in a very dynamic and incremental manner, constantly re-evaluating existing Clojure definitions and adding new ones to their running applications. You never stop/start a Clojure application while using CIDER - you’re constantly interacting with it and changing it. -
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Casual Suite
An umbrella package to support a single install point
An umbrella package to support a single installation point for all Casual user interfaces for Emacs. These user interfaces built with Transient are included via the Elisp library header Package-Requires. It is highly recommended that a deep reading of the install procedure for each user interface be done beforehand as each of them has their own recommended customizations to go alongside them. Casual Suite requires Casual Lib which in turn requires a recent installation of Transient 0.6.0+ from either ELPA or MELPA. As an older version of Transient is built-in to the Emacs release, the package manager package.el will not update this package unless the customizable variable package-install-upgrade-built-in is set to t. Set this variable and proceed with installing Casual Suite. Alternately invoking package-install with a prefix (C-u) will temporarily coerce the update of the built-in package. -
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Centaur Emacs
A Fancy and Fast Emacs Configuration
This is an Emacs distribution that aims to enhance the default Emacs experience. It alters a lot of the default settings, bundles a plethora of additional packages and adds its own core library to the mix. The final product offers an easy to use Emacs configuration for Emacs newcomers and lots of additional power for Emacs power users. It’s able to run on Windows, GNU Linux and macOS. It is compatible ONLY with GNU Emacs 26.1 and above. In general you’re advised to always run with the latest stable release, currently 28.2. Supports multiple programming languages, C/C++/Object-C/C#/Java, Python/Ruby/Perl/PHP/Shell/Powershell/Bat, JavaScript/Typescript/JSON/YAML, HTML/CSS/XML, and Golang/Swift/Rust/Dart/Elixir. -
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Clojure Mode
Emacs support for the Clojure(Script) programming language
clojure-mode is an Emacs major mode that provides font-lock (syntax highlighting), indentation, navigation and refactoring support for the Clojure(Script) programming language. MELPA Stable is the recommended repo as it has the latest stable version. MELPA has a development snapshot for users who don't mind (infrequent) breakage but don't want to run from a git checkout. Available on the major package.el community maintained repos, MELPA Stable and MELPA repos. All the major modes derive from clojure-mode and provide more or less the same functionality. Differences can be found mostly in the font-locking - e.g. ClojureScript has some built-in constructs that are not present in Clojure. The proper major mode is selected automatically based on the extension of the file you're editing. Having separate major modes gives you the flexibility to attach different hooks to them and to alter their behavior individually (e.g. add extra font-locking just to clojurescript-mode) . -
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Counsel Projectile
Ivy UI for Projectile
counsel-projectile is an Emacs package that combines Projectile and Ivy/Counsel to provide fast project navigation and fuzzy searching. It enhances productivity by letting users switch between files, buffers, and commands in their projects with minimal keystrokes. Ideal for Emacs users working on multi-file codebases. -
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